diff --git a/.github/workflows/build.sh b/.github/workflows/build.sh
new file mode 100755
index 0000000000..ea40d8d394
--- /dev/null
+++ b/.github/workflows/build.sh
@@ -0,0 +1,108 @@
+#!/bin/bash
+
+# GitHub actions - Create Tesseract installer for Windows
+
+# Author: Stefan Weil (2010-2024)
+
+set -e
+set -x
+
+LANG=C.UTF-8
+
+ARCH=$1
+
+if test "$ARCH" != "i686"; then
+  ARCH=x86_64
+  MINGW=/mingw64
+fi
+
+ROOTDIR=$PWD
+DISTDIR=$ROOTDIR/dist
+HOST=$ARCH-w64-mingw32
+BUILDDIR=bin/ndebug/$HOST-$TAG
+PKG_ARCH=mingw64-${ARCH/_/-}
+
+# Install packages.
+sudo apt-get update --quiet
+sudo apt-get install --assume-yes --no-install-recommends --quiet \
+  asciidoc xsltproc docbook-xml docbook-xsl \
+  automake dpkg-dev libtool pkg-config default-jdk-headless \
+  mingw-w64-tools nsis g++-mingw-w64-${ARCH/_/-} \
+  makepkg pacman-package-manager
+
+# Install pacman-package-manager and its dependencies (from Ubuntu 22.10).
+# sudo curl -Os http://de.archive.ubuntu.com/ubuntu/pool/universe/p/pacman-package-manager/pacman-package-manager_6.0.1-4_amd64.deb
+# sudo curl -Os http://de.archive.ubuntu.com/ubuntu/pool/universe/p/pacman-package-manager/libalpm13_6.0.1-4_amd64.deb
+# sudo curl -Os http://de.archive.ubuntu.com/ubuntu/pool/universe/p/pacman-package-manager/makepkg_6.0.1-4_amd64.deb
+# sudo dpkg -i *.deb || true
+# sudo apt-get install --fix-broken --assume-yes --no-install-recommends --quiet
+
+# Configure pacman.
+
+# Enable mirrorlist.
+sudo sed -Ei 's/^#.*(Include.*mirrorlist)/\1/' /etc/pacman.conf
+(
+# Add msys key for pacman.
+cd /usr/share/keyrings
+sudo curl -Os https://raw.githubusercontent.com/msys2/MSYS2-keyring/master/msys2.gpg
+sudo curl -Os https://raw.githubusercontent.com/msys2/MSYS2-keyring/master/msys2-revoked
+sudo curl -Os https://raw.githubusercontent.com/msys2/MSYS2-keyring/master/msys2-trusted
+)
+(
+# Add active environments for pacman.
+# See https://www.msys2.org/docs/repos-mirrors/.
+sudo mkdir -p /etc/pacman.d
+cd /etc/pacman.d
+cat <<eod | sudo tee mirrorlist >/dev/null
+[mingw64]
+Include = /etc/pacman.d/mirrorlist.mingw
+eod
+sudo curl -O https://raw.githubusercontent.com/msys2/MSYS2-packages/master/pacman-mirrors/mirrorlist.mingw
+# sudo curl -O https://raw.githubusercontent.com/msys2/MSYS2-packages/master/pacman-mirrors/mirrorlist.msys
+)
+
+sudo pacman-key --init
+sudo pacman-key --populate msys2
+sudo pacman -Syu --noconfirm
+
+# Install required pacman packages.
+sudo pacman -S --noconfirm \
+ mingw-w64-x86_64-curl-winssl \
+ mingw-w64-x86_64-giflib \
+ mingw-w64-x86_64-icu \
+ mingw-w64-x86_64-leptonica \
+ mingw-w64-x86_64-libarchive \
+ mingw-w64-x86_64-libidn2 \
+ mingw-w64-x86_64-openjpeg2 \
+ mingw-w64-x86_64-openssl \
+ mingw-w64-x86_64-pango \
+ mingw-w64-x86_64-libpng \
+ mingw-w64-x86_64-libtiff \
+ mingw-w64-x86_64-libwebp
+
+sudo ln -sf $PWD/.github/workflows/pkg-config-crosswrapper /usr/bin/$HOST-pkg-config
+
+TAG=$(cat VERSION).$(date +%Y%m%d)
+
+git config --global user.email "sw@weilnetz.de"
+git config --global user.name "Stefan Weil"
+git tag -a v$TAG -m "Tesseract $TAG"
+
+# Run autogen.
+./autogen.sh
+
+# Build Tesseract installer.
+mkdir -p $BUILDDIR && cd $BUILDDIR
+
+# Run configure.
+PKG_CONFIG_PATH=$MINGW/lib/pkgconfig
+export PKG_CONFIG_PATH
+../../../configure --disable-openmp --host=$HOST --prefix=/usr/$HOST \
+  CXX=$HOST-g++-posix \
+  CXXFLAGS="-fno-math-errno -Wall -Wextra -Wpedantic -g -O2 -isystem $MINGW/include" \
+  LDFLAGS="-L$MINGW/lib"
+
+make install-jars install training-install html winsetup prefix=$PWD/usr/$HOST
+
+# Copy result for upload.
+mkdir -p $DISTDIR && cp nsis/tesseract-ocr-w*-setup-*.exe $DISTDIR
diff --git a/.github/workflows/installer-for-windows.yml b/.github/workflows/installer-for-windows.yml
new file mode 100644
index 0000000000..0a2b627840
--- /dev/null
+++ b/.github/workflows/installer-for-windows.yml
@@ -0,0 +1,46 @@
+# GitHub actions - Create Tesseract installer for Windows
+
+name: Cross build for Windows
+
+on:
+  push:
+    branches:
+    - 'windows'
+
+  # Trigger workflow in GitHub web frontend or from API.
+  workflow_dispatch:
+    inputs:
+      targets:
+        description: 'Target operating system'
+        required: true
+        default: 'Windows (64 bit)'
+        type: choice
+        options:
+          - 'Windows (32 bit)'
+          - 'Windows (64 bit)'
+
+jobs:
+  build32:
+    # Disable 32 bit builds.
+    if: github.repository == '_UB-Mannheim/tesseract'
+    runs-on: [ubuntu-24.04]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build Tesseract installer (32 bit)
+      run: .github/workflows/build.sh i686
+    - uses: actions/upload-artifact@v4
+      with:
+        name: Tesseract Installer for Windows (32 bit)
+        path: dist
+
+  build64:
+    if: github.repository == 'UB-Mannheim/tesseract'
+    runs-on: [ubuntu-24.04]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build Tesseract installer (64 bit)
+      run: .github/workflows/build.sh x86_64
+    - uses: actions/upload-artifact@v4
+      with:
+        name: Tesseract Installer for Windows (64 bit)
+        path: dist
diff --git a/.github/workflows/pkg-config-crosswrapper b/.github/workflows/pkg-config-crosswrapper
new file mode 100755
index 0000000000..86e2aed63b
--- /dev/null
+++ b/.github/workflows/pkg-config-crosswrapper
@@ -0,0 +1,54 @@
+#! /bin/sh
+# pkg-config wrapper for cross-building
+# Sets pkg-config search path to search multiarch and historical cross-compiling paths.
+
+# If the user has already set PKG_CONFIG_LIBDIR, believe it (even if empty):
+# it's documented to be an override
+if [ x"${PKG_CONFIG_LIBDIR+set}" = x ]; then
+  # GNU triplet for the compiler, e.g. i486-linux-gnu for Debian i386,
+  # i686-linux-gnu for Ubuntu i386
+  basename="$(basename "$0")"
+  triplet="${basename%-pkg-config}"
+  # Normalized multiarch path if any, e.g. i386-linux-gnu for i386
+  dpkg-architecture >/dev/null 2>&1
+  if [ "$?" != 0 ]; then
+      # dpkg-architecture is missing.
+      echo "Please install dpkg-dev to use pkg-config when cross-building" >&2
+      exit 1
+  fi
+  multiarch="$(dpkg-architecture -t"${triplet}" -qDEB_HOST_MULTIARCH 2>/dev/null)"
+  # Native multiarch path
+  native_multiarch="$(cat /usr/lib/pkg-config.multiarch)"
+
+  # This can be used for native builds as well, in that case, just exec pkg-config "$@" directly.
+  if [ "$native_multiarch" = "$multiarch" ]; then
+     exec pkg-config "$@"
+  fi
+
+  PKG_CONFIG_LIBDIR="/usr/local/${triplet}/lib/pkgconfig"
+  # For a native build we would also want to append /usr/local/lib/pkgconfig
+  # at this point; but this is a cross-building script, so don't
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/local/share/pkgconfig"
+
+  if [ -n "$multiarch" ]; then
+    PKG_CONFIG_LIBDIR="/usr/local/lib/${multiarch}/pkgconfig:$PKG_CONFIG_LIBDIR"
+    PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/lib/${multiarch}/pkgconfig"
+  fi
+
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/${triplet}/lib/pkgconfig"
+  # For a native build we would also want to append /usr/lib/pkgconfig
+  # at this point; but this is a cross-building script, so don't
+  # If you want to allow use of un-multiarched -dev packages for crossing
+  # (at the risk of finding build-arch stuff you didn't want, if not in a clean chroot)
+  # Uncomment the next line:
+  # PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/lib/pkgconfig"
+  # ... but on Ubuntu we rely cross-building with non-multiarch libraries:
+  if dpkg-vendor --derives-from Ubuntu; then
+      PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/lib/pkgconfig"
+  fi
+  PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR:/usr/share/pkgconfig"
+
+  export PKG_CONFIG_LIBDIR
+fi
+
+exec pkg-config "$@"
diff --git a/.github/workflows/sw.yml b/.github/workflows/sw.yml
deleted file mode 100644
index c744369086..0000000000
--- a/.github/workflows/sw.yml
+++ /dev/null
@@ -1,102 +0,0 @@
-name: sw
-
-on:
-  push:
-    paths:
-      - '**.cpp'
-      - '**.h'
-      - '**/sw.yml'
-      - 'unittest/**.c'
-      - 'unittest/**.cc'
-  pull_request:
-    paths:
-      - '**.cpp'
-      - '**.h'
-      - '**/sw.yml'
-      - 'unittest/**.c'
-      - 'unittest/**.cc'
-  schedule:
-    # every day
-    - cron: 0 0 * * *
-
-jobs:
-  build:
-    runs-on: ${{ matrix.os }}
-    container: ${{ matrix.container }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [windows-2022, macos-latest]
-        include:
-          - os: ubuntu-22.04
-            container: fedora:latest
-
-    steps:
-    - name: packages
-      if: matrix.os == 'ubuntu-22.04'
-      run: sudo dnf -y install cmake gcc lld which flex bison clang clang-tools-extra git
-
-    - uses: actions/checkout@v4
-      with:
-        submodules: recursive
-    - uses: egorpugin/sw-action@master
-
-    - name: build
-      if: github.event_name != 'pull_request' && (matrix.os == 'windows-2022')
-      run: ./sw -static -shared -platform x86,x64 -config d,r build
-    - name: build-pr
-      if: github.event_name == 'pull_request' && (matrix.os == 'windows-2022')
-      run: ./sw build
-
-    - name: build
-      if: github.event_name != 'pull_request' && (matrix.os != 'windows-2022')
-      run: ./sw -static -shared -config d,r build -Dwith-tests=1
-    - name: build-pr
-      if: github.event_name == 'pull_request' && (matrix.os != 'windows-2022')
-      run: ./sw build -Dwith-tests=1
-
-    - name: download test data
-      run: git clone https://github.com/egorpugin/tessdata tessdata_unittest
-
-    - name: copy fonts
-      if: matrix.os != 'windows-2022'
-      run: cp tessdata_unittest/fonts/* test/testing/
-    - name: copy fonts
-      if: matrix.os == 'windows-2022'
-      run: Copy-Item -Path "tessdata_unittest\fonts\*" -Destination "test\testing" -Recurse
-      shell: pwsh
-
-    - name: test
-      if: github.event_name != 'pull_request' && (matrix.os != 'windows-2022' && matrix.os != 'macos-latest')
-      run: ./sw -static -shared -config "d,r" test -Dwith-tests=1 "-Dskip-tests=lstm,lstm_recode"
-      continue-on-error: true
-    - name: test
-      if: github.event_name == 'pull_request' && (matrix.os != 'windows-2022')
-      run: ./sw test -Dwith-tests=1 "-Dskip-tests=lstm,lstm_recode"
-      continue-on-error: true
-
-    - name: test-nightly
-      if: matrix.os != 'windows-2022' && matrix.os != 'macos-latest' && github.event.schedule=='0 0 * * *'
-      run: ./sw -static -shared -config "d,r" test -Dwith-tests=1
-      continue-on-error: true
-
-    # windows and macos-latest tests hang here for some reason, investigate
-    #- name: test
-      #if: matrix.os == 'windows-2022' || matrix.os == 'macos-latest'
-      #run: ./sw test -Dwith-tests=1 "-Dskip-tests=lstm,lstm_recode"
-      #continue-on-error: true
-
-    - name: Upload Unit Test Results
-      if: always() && matrix.os != 'windows-2022'
-      uses: actions/upload-artifact@v4
-      with:
-        name: Test Results (${{ matrix.os }})
-        path: .sw/test/results.xml
-
-    - name: Publish Test Report
-      if: always() && matrix.os != 'windows-2022'
-      uses: mikepenz/action-junit-report@v4
-      with:
-        check_name: test (${{ matrix.os }})
-        report_paths: .sw/test/results.xml
-        github_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/Makefile.am b/Makefile.am
index a05bd2972a..e54b9dc5c9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,6 +6,9 @@ ACLOCAL_AMFLAGS = -I m4
 CLEANFILES =
 
 SUBDIRS = . tessdata
+if MINGW
+SUBDIRS += nsis
+endif
 
 EXTRA_DIST = README.md LICENSE
 EXTRA_DIST += aclocal.m4 config configure.ac autogen.sh
@@ -50,6 +53,11 @@ doc-pack: doc
 doc-clean:
 	rm -rf $(top_builddir)/doc/html/*
 
+if MINGW
+winsetup: training ScrollView.jar
+	@cd "$(top_builddir)/nsis" && $(MAKE) winsetup
+endif
+
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = tesseract.pc
 
diff --git a/configure.ac b/configure.ac
index 7ec2f0c4ec..899f0dfad2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,6 +72,7 @@ AC_CONFIG_HEADERS([include/config_auto.h:config/config.h.in])
 
 # default conditional
 AM_CONDITIONAL([T_WIN], false)
+AM_CONDITIONAL([MINGW], false)
 AM_CONDITIONAL([GRAPHICS_DISABLED], false)
 AC_SUBST([AM_CPPFLAGS])
 
@@ -87,7 +88,9 @@ AM_SILENT_RULES([yes])
 AC_CANONICAL_HOST
 case "${host_os}" in
     mingw*)
+        AC_DEFINE_UNQUOTED([MINGW], 1, [This is a MinGW system])
         AM_CONDITIONAL([T_WIN], true)
+        AM_CONDITIONAL([MINGW], true)
         AM_CONDITIONAL([ADD_RT], false)
         AC_SUBST([AM_LDFLAGS], ['-no-undefined'])
         ;;
@@ -559,6 +562,7 @@ AC_CONFIG_FILES([java/com/google/Makefile])
 AC_CONFIG_FILES([java/com/google/scrollview/Makefile])
 AC_CONFIG_FILES([java/com/google/scrollview/events/Makefile])
 AC_CONFIG_FILES([java/com/google/scrollview/ui/Makefile])
+AC_CONFIG_FILES([nsis/Makefile])
 AC_OUTPUT
 
 # Final message
diff --git a/java/Makefile.am b/java/Makefile.am
index 6fdde1897e..8e5610204d 100644
--- a/java/Makefile.am
+++ b/java/Makefile.am
@@ -51,9 +51,9 @@ $(SCROLLVIEW_CLASSES) : $(SCROLLVIEW_FILES) $(SCROLLVIEW_LIBS)
 
 .PHONY: fetch-jars
 fetch-jars $(SCROLLVIEW_LIBS):
-	curl -s -S -L -O https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-core/3.0.1/piccolo2d-core-3.0.1.jar
-	curl -s -S -L -O https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-extras/3.0.1/piccolo2d-extras-3.0.1.jar
-	curl -s -S -L -O https://search.maven.org/remotecontent?filepath=javax/xml/bind/jaxb-api/2.3.1/jaxb-api-2.3.1.jar
+	curl -s -S -L -o piccolo2d-core-3.0.1.jar https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-core/3.0.1/piccolo2d-core-3.0.1.jar
+	curl -s -S -L -o piccolo2d-extras-3.0.1.jar https://search.maven.org/remotecontent?filepath=org/piccolo2d/piccolo2d-extras/3.0.1/piccolo2d-extras-3.0.1.jar
+	curl -s -S -L -o jaxb-api-2.3.1.jar https://search.maven.org/remotecontent?filepath=javax/xml/bind/jaxb-api/2.3.1/jaxb-api-2.3.1.jar
 
 .PHONY: install-jars
 install-jars : ScrollView.jar
diff --git a/make-installer.sh b/make-installer.sh
new file mode 100755
index 0000000000..52182026d7
--- /dev/null
+++ b/make-installer.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+TAG=$(git describe | sed s/^v// | sed s/.202[3-9].*// | sed s/-.*//).$(date +%Y%m%d)
+
+git tag -a v$TAG -m "Tesseract $TAG"
+
+ARCHS="i686 x86_64"
+ARCHS="x86_64"
+
+SRCDIR=$PWD
+
+./autogen.sh
+
+for ARCH in $ARCHS; do
+  HOST=$ARCH-w64-mingw32
+  BUILDDIR=bin/ndebug/$HOST-$TAG
+
+  rm -rf $BUILDDIR
+  mkdir -p $BUILDDIR
+  (
+  cd $BUILDDIR
+
+  MINGW=/mingw64
+  MINGW_INSTALL=${PWD}${MINGW}
+  PKG_CONFIG_PATH=$MINGW/lib/pkgconfig
+  export PKG_CONFIG_PATH
+
+  # Disable OpenMP (see https://github.com/tesseract-ocr/tesseract/issues/1662).
+  ../../../configure --disable-openmp --host=$HOST --prefix=$MINGW CXX=$HOST-g++-posix CXXFLAGS="-fno-math-errno -Wall -Wextra -Wpedantic -g -O2 -I$MINGW/include" LDFLAGS="-L$MINGW/lib"
+  make install-jars install training-install html prefix=${MINGW_INSTALL}
+  (
+  cd ${MINGW_INSTALL}/bin
+  for file in *.exe *.dll; do
+    signcode $file
+  done
+  )
+  mkdir -p dll
+  ln -sv $($SRCDIR/nsis/find_deps.py $MINGW_INSTALL/bin/*.exe $MINGW_INSTALL/bin/*.dll) dll/
+  make winsetup prefix=${MINGW_INSTALL} SIGNCODE=signcode
+  )
+done
diff --git a/nsis/Makefile.am b/nsis/Makefile.am
new file mode 100644
index 0000000000..cae33db56c
--- /dev/null
+++ b/nsis/Makefile.am
@@ -0,0 +1,14 @@
+AUTOMAKE_OPTIONS = subdir-objects
+
+all:
+
+if MINGW
+
+gitrev="$(shell git --git-dir=${abs_top_srcdir}/.git --work-tree=${abs_top_srcdir} describe --always --tags | sed s/^v//)"
+
+.PHONY: winsetup
+
+winsetup:
+	makensis -DCROSSBUILD -DSHARED -DSIGNCODE=$(SIGNCODE) -DSRCDIR=$(top_srcdir) -DVERSION=${gitrev} $(shell test "$(host_cpu)" = x86_64 && echo "-DW64") -NOCD $(top_srcdir)/nsis/tesseract.nsi
+
+endif
diff --git a/nsis/include/EnvVarUpdate.nsh b/nsis/include/EnvVarUpdate.nsh
new file mode 100644
index 0000000000..81a888ad25
--- /dev/null
+++ b/nsis/include/EnvVarUpdate.nsh
@@ -0,0 +1,327 @@
+/**
+ *  EnvVarUpdate.nsh
+ *    : Environmental Variables: append, prepend, and remove entries
+ *
+ *     WARNING: If you use StrFunc.nsh header then include it before this file
+ *              with all required definitions. This is to avoid conflicts
+ *
+ *  Usage:
+ *    ${EnvVarUpdate} "ResultVar" "EnvVarName" "Action" "RegLoc" "PathString"
+ *
+ *  Credits:
+ *  Version 1.0
+ *  * Cal Turney (turnec2)
+ *  * Amir Szekely (KiCHiK) and e-circ for developing the forerunners of this
+ *    function: AddToPath, un.RemoveFromPath, AddToEnvVar, un.RemoveFromEnvVar,
+ *    WriteEnvStr, and un.DeleteEnvStr
+ *  * Diego Pedroso (deguix) for StrTok
+ *  * Kevin English (kenglish_hi) for StrContains
+ *  * Hendri Adriaens (Smile2Me), Diego Pedroso (deguix), and Dan Fuhry
+ *    (dandaman32) for StrReplace
+ *
+ *  Version 1.1 (compatibility with StrFunc.nsh)
+ *  * techtonik
+ *
+ *  http://nsis.sourceforge.net/Environmental_Variables:_append%2C_prepend%2C_and_remove_entries
+ *
+ */
+
+
+!ifndef ENVVARUPDATE_FUNCTION
+!define ENVVARUPDATE_FUNCTION
+!verbose push
+!verbose 3
+!include "LogicLib.nsh"
+!include "WinMessages.NSH"
+!include "StrFunc.nsh"
+
+; ---- Fix for conflict if StrFunc.nsh is already includes in main file -----------------------
+!macro _IncludeStrFunction StrFuncName
+  !ifndef ${StrFuncName}_INCLUDED
+    ${${StrFuncName}}
+  !endif
+  !ifndef Un${StrFuncName}_INCLUDED
+    ${Un${StrFuncName}}
+  !endif
+  !define un.${StrFuncName} "${Un${StrFuncName}}"
+!macroend
+
+!insertmacro _IncludeStrFunction StrTok
+!insertmacro _IncludeStrFunction StrStr
+!insertmacro _IncludeStrFunction StrRep
+
+; ---------------------------------- Macro Definitions ----------------------------------------
+!macro _EnvVarUpdateConstructor ResultVar EnvVarName Action Regloc PathString
+  Push "${EnvVarName}"
+  Push "${Action}"
+  Push "${RegLoc}"
+  Push "${PathString}"
+    Call EnvVarUpdate
+  Pop "${ResultVar}"
+!macroend
+!define EnvVarUpdate '!insertmacro "_EnvVarUpdateConstructor"'
+
+!macro _unEnvVarUpdateConstructor ResultVar EnvVarName Action Regloc PathString
+  Push "${EnvVarName}"
+  Push "${Action}"
+  Push "${RegLoc}"
+  Push "${PathString}"
+    Call un.EnvVarUpdate
+  Pop "${ResultVar}"
+!macroend
+!define un.EnvVarUpdate '!insertmacro "_unEnvVarUpdateConstructor"'
+; ---------------------------------- Macro Definitions end-------------------------------------
+
+;----------------------------------- EnvVarUpdate start----------------------------------------
+!define hklm_all_users     'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
+!define hkcu_current_user  'HKCU "Environment"'
+
+!macro EnvVarUpdate UN
+
+Function ${UN}EnvVarUpdate
+
+  Push $0
+  Exch 4
+  Exch $1
+  Exch 3
+  Exch $2
+  Exch 2
+  Exch $3
+  Exch
+  Exch $4
+  Push $5
+  Push $6
+  Push $7
+  Push $8
+  Push $9
+  Push $R0
+
+  /* After this point:
+  -------------------------
+     $0 = ResultVar     (returned)
+     $1 = EnvVarName    (input)
+     $2 = Action        (input)
+     $3 = RegLoc        (input)
+     $4 = PathString    (input)
+     $5 = Orig EnvVar   (read from registry)
+     $6 = Len of $0     (temp)
+     $7 = tempstr1      (temp)
+     $8 = Entry counter (temp)
+     $9 = tempstr2      (temp)
+     $R0 = tempChar     (temp)  */
+
+  ; Step 1:  Read contents of EnvVarName from RegLoc
+  ;
+  ; Check for empty EnvVarName
+  ${If} $1 == ""
+    SetErrors
+    DetailPrint "ERROR: EnvVarName is blank"
+    Goto EnvVarUpdate_Restore_Vars
+  ${EndIf}
+
+  ; Check for valid Action
+  ${If}    $2 != "A"
+  ${AndIf} $2 != "P"
+  ${AndIf} $2 != "R"
+    SetErrors
+    DetailPrint "ERROR: Invalid Action - must be A, P, or R"
+    Goto EnvVarUpdate_Restore_Vars
+  ${EndIf}
+
+  ${If} $3 == HKLM
+    ReadRegStr $5 ${hklm_all_users} $1     ; Get EnvVarName from all users into $5
+  ${ElseIf} $3 == HKCU
+    ReadRegStr $5 ${hkcu_current_user} $1  ; Read EnvVarName from current user into $5
+  ${Else}
+    SetErrors
+    DetailPrint 'ERROR: Action is [$3] but must be "HKLM" or HKCU"'
+    Goto EnvVarUpdate_Restore_Vars
+  ${EndIf}
+
+  ; Check for empty PathString
+  ${If} $4 == ""
+    SetErrors
+    DetailPrint "ERROR: PathString is blank"
+    Goto EnvVarUpdate_Restore_Vars
+  ${EndIf}
+
+  ; Make sure we've got some work to do
+  ${If} $5 == ""
+  ${AndIf} $2 == "R"
+    SetErrors
+    DetailPrint "$1 is empty - Nothing to remove"
+    Goto EnvVarUpdate_Restore_Vars
+  ${EndIf}
+
+  ; Step 2: Scrub EnvVar
+  ;
+  StrCpy $0 $5                             ; Copy the contents to $0
+  ; Remove spaces around semicolons (NOTE: spaces before the 1st entry or
+  ; after the last one are not removed here but instead in Step 3)
+  ${If} $0 != ""                           ; If EnvVar is not empty ...
+    ${Do}
+      ${${UN}StrStr} $7 $0 " ;"
+      ${If} $7 == ""
+        ${ExitDo}
+      ${EndIf}
+      ${${UN}StrRep} $0  $0 " ;" ";"         ; Remove '<space>;'
+    ${Loop}
+    ${Do}
+      ${${UN}StrStr} $7 $0 "; "
+      ${If} $7 == ""
+        ${ExitDo}
+      ${EndIf}
+      ${${UN}StrRep} $0  $0 "; " ";"         ; Remove ';<space>'
+    ${Loop}
+    ${Do}
+      ${${UN}StrStr} $7 $0 ";;"
+      ${If} $7 == ""
+        ${ExitDo}
+      ${EndIf}
+      ${${UN}StrRep} $0  $0 ";;" ";"
+    ${Loop}
+
+    ; Remove a leading or trailing semicolon from EnvVar
+    StrCpy  $7  $0 1 0
+    ${If} $7 == ";"
+      StrCpy $0  $0 "" 1                   ; Change ';<EnvVar>' to '<EnvVar>'
+    ${EndIf}
+    StrLen $6 $0
+    IntOp $6 $6 - 1
+    StrCpy $7  $0 1 $6
+    ${If} $7 == ";"
+     StrCpy $0  $0 $6                      ; Change ';<EnvVar>' to '<EnvVar>'
+    ${EndIf}
+    ; DetailPrint "Scrubbed $1: [$0]"      ; Uncomment to debug
+  ${EndIf}
+
+  /* Step 3. Remove all instances of the target path/string (even if "A" or "P")
+     $6 = bool flag (1 = found and removed PathString)
+     $7 = a string (e.g. path) delimited by semicolon(s)
+     $8 = entry counter starting at 0
+     $9 = copy of $0
+     $R0 = tempChar      */
+
+  ${If} $5 != ""                           ; If EnvVar is not empty ...
+    StrCpy $9 $0
+    StrCpy $0 ""
+    StrCpy $8 0
+    StrCpy $6 0
+
+    ${Do}
+      ${${UN}StrTok} $7 $9 ";" $8 "0"      ; $7 = next entry, $8 = entry counter
+
+      ${If} $7 == ""                       ; If we've run out of entries,
+        ${ExitDo}                          ;    were done
+      ${EndIf}                             ;
+
+      ; Remove leading and trailing spaces from this entry (critical step for Action=Remove)
+      ${Do}
+        StrCpy $R0  $7 1
+        ${If} $R0 != " "
+          ${ExitDo}
+        ${EndIf}
+        StrCpy $7   $7 "" 1                ;  Remove leading space
+      ${Loop}
+      ${Do}
+        StrCpy $R0  $7 1 -1
+        ${If} $R0 != " "
+          ${ExitDo}
+        ${EndIf}
+        StrCpy $7   $7 -1                  ;  Remove trailing space
+      ${Loop}
+      ${If} $7 == $4                       ; If string matches, remove it by not appending it
+        StrCpy $6 1                        ; Set 'found' flag
+      ${ElseIf} $7 != $4                   ; If string does NOT match
+      ${AndIf}  $0 == ""                   ;    and the 1st string being added to $0,
+        StrCpy $0 $7                       ;    copy it to $0 without a prepended semicolon
+      ${ElseIf} $7 != $4                   ; If string does NOT match
+      ${AndIf}  $0 != ""                   ;    and this is NOT the 1st string to be added to $0,
+        StrCpy $0 $0;$7                    ;    append path to $0 with a prepended semicolon
+      ${EndIf}                             ;
+
+      IntOp $8 $8 + 1                      ; Bump counter
+    ${Loop}                                ; Check for duplicates until we run out of paths
+  ${EndIf}
+
+  ; Step 4:  Perform the requested Action
+  ;
+  ${If} $2 != "R"                          ; If Append or Prepend
+    ${If} $6 == 1                          ; And if we found the target
+      DetailPrint "Target is already present in $1. It will be removed and"
+    ${EndIf}
+    ${If} $0 == ""                         ; If EnvVar is (now) empty
+      StrCpy $0 $4                         ;   just copy PathString to EnvVar
+      ${If} $6 == 0                        ; If found flag is either 0
+      ${OrIf} $6 == ""                     ; or blank (if EnvVarName is empty)
+        DetailPrint "$1 was empty and has been updated with the target"
+      ${EndIf}
+    ${ElseIf} $2 == "A"                    ;  If Append (and EnvVar is not empty),
+      StrCpy $0 $0;$4                      ;     append PathString
+      ${If} $6 == 1
+        DetailPrint "appended to $1"
+      ${Else}
+        DetailPrint "Target was appended to $1"
+      ${EndIf}
+    ${Else}                                ;  If Prepend (and EnvVar is not empty),
+      StrCpy $0 $4;$0                      ;     prepend PathString
+      ${If} $6 == 1
+        DetailPrint "prepended to $1"
+      ${Else}
+        DetailPrint "Target was prepended to $1"
+      ${EndIf}
+    ${EndIf}
+  ${Else}                                  ; If Action = Remove
+    ${If} $6 == 1                          ;   and we found the target
+      DetailPrint "Target was found and removed from $1"
+    ${Else}
+      DetailPrint "Target was NOT found in $1 (nothing to remove)"
+    ${EndIf}
+    ${If} $0 == ""
+      DetailPrint "$1 is now empty"
+    ${EndIf}
+  ${EndIf}
+
+  ; Step 5:  Update the registry at RegLoc with the updated EnvVar and announce the change
+  ;
+  ClearErrors
+  ${If} $3  == HKLM
+    WriteRegExpandStr ${hklm_all_users} $1 $0     ; Write it in all users section
+  ${ElseIf} $3 == HKCU
+    WriteRegExpandStr ${hkcu_current_user} $1 $0  ; Write it to current user section
+  ${EndIf}
+
+  IfErrors 0 +4
+    MessageBox MB_OK|MB_ICONEXCLAMATION "Could not write updated $1 to $3"
+    DetailPrint "Could not write updated $1 to $3"
+    Goto EnvVarUpdate_Restore_Vars
+
+  ; "Export" our change
+  SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000
+
+  EnvVarUpdate_Restore_Vars:
+  ;
+  ; Restore the user's variables and return ResultVar
+  Pop $R0
+  Pop $9
+  Pop $8
+  Pop $7
+  Pop $6
+  Pop $5
+  Pop $4
+  Pop $3
+  Pop $2
+  Pop $1
+  Push $0  ; Push my $0 (ResultVar)
+  Exch
+  Pop $0   ; Restore his $0
+
+FunctionEnd
+
+!macroend   ; EnvVarUpdate UN
+!insertmacro EnvVarUpdate ""
+!insertmacro EnvVarUpdate "un."
+;----------------------------------- EnvVarUpdate end----------------------------------------
+
+!verbose pop
+!endif
diff --git a/nsis/plugins/INetC.dll b/nsis/plugins/INetC.dll
new file mode 100644
index 0000000000..d867f8c2e8
Binary files /dev/null and b/nsis/plugins/INetC.dll differ
diff --git a/nsis/tesseract.nsi b/nsis/tesseract.nsi
new file mode 100644
index 0000000000..0d3d654a41
--- /dev/null
+++ b/nsis/tesseract.nsi
@@ -0,0 +1,1441 @@
+; (C) Copyright 2010, Sergey Bronnikov
+; (C) Copyright 2010-2012, Zdenko Podobný
+; (C) Copyright 2015-2023 Stefan Weil
+;
+; Licensed under the Apache License, Version 2.0 (the "License");
+; you may not use this file except in compliance with the License.
+; You may obtain a copy of the License at
+; http://www.apache.org/licenses/LICENSE-2.0
+; Unless required by applicable law or agreed to in writing, software
+; distributed under the License is distributed on an "AS IS" BASIS,
+; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+; See the License for the specific language governing permissions and
+; limitations under the License.
+
+; Links to NSIS documentation:
+; https://nsis.sourceforge.io/Docs/Modern%20UI%202/Readme.html
+
+; TODO:
+; * Fix PreventMultipleInstances.
+; * Add Tesseract icon and images for installer.
+
+SetCompressor /FINAL /SOLID lzma
+SetCompressorDictSize 32
+
+Unicode true
+
+; Settings which normally should be passed as command line arguments.
+;define CROSSBUILD
+;define SHARED
+;define W64
+!ifndef SRCDIR
+!define SRCDIR .
+!endif
+!ifndef VERSION
+!define VERSION undefined
+!endif
+
+!define PRODUCT_NAME "Tesseract-OCR"
+!define PRODUCT_VERSION "${VERSION}"
+!define PRODUCT_PUBLISHER "Tesseract-OCR community"
+!ifndef PRODUCT_WEB_SITE
+!define PRODUCT_WEB_SITE "https://github.com/tesseract-ocr/tesseract"
+!endif
+!define GITHUB_RAW_FILE_URL \
+  "https://raw.githubusercontent.com/tesseract-ocr/tessdata_fast/main"
+
+!ifdef CROSSBUILD
+!addincludedir ${SRCDIR}\nsis\include
+!addplugindir ${SRCDIR}\nsis\plugins
+!endif
+
+!ifdef W64
+!define ARCH "x86_64"
+!define SETUP "tesseract-ocr-w64-setup"
+!else
+!define ARCH "i686"
+!define SETUP "tesseract-ocr-w32-setup"
+!endif
+
+# Name of program and file
+!define OUTFILE "${SETUP}-${VERSION}.exe"
+OutFile ${OUTFILE}
+
+!ifdef SIGNCODE
+!finalize "${SIGNCODE} %1"
+!uninstfinalize "${SIGNCODE} %1"
+!endif
+
+!ifndef PREFIX
+!define PREFIX "../mingw64"
+!endif
+!define TRAININGDIR "${PREFIX}/bin"
+
+# General Definitions
+Name "${PRODUCT_NAME}"
+Caption "${PRODUCT_NAME} ${VERSION}"
+!ifndef CROSSBUILD
+BrandingText /TRIMCENTER "(c) 2010-2019 ${PRODUCT_NAME}"
+!endif
+
+; File properties.
+!define /date DATEVERSION "%Y%m%d%H%M%S"
+VIProductVersion "${VERSION}"
+VIAddVersionKey "ProductName" "${PRODUCT_NAME}"
+VIAddVersionKey "Comments" "patched version provided by Stefan Weil"
+VIAddVersionKey "CompanyName" "Universitätsbibliothek Mannheim"
+VIAddVersionKey "FileDescription" "Tesseract OCR"
+!define /date DATETIME "%Y-%m-%d-%H-%M-%S"
+VIAddVersionKey "FileVersion" "${DATETIME}"
+VIAddVersionKey "InternalName" "Tesseract"
+VIAddVersionKey "LegalCopyright" "Apache-2.0"
+#VIAddVersionKey "LegalTrademarks" ""
+VIAddVersionKey "OriginalFilename" "${OUTFILE}"
+VIAddVersionKey "ProductVersion" "${VERSION}"
+
+!define REGKEY "SOFTWARE\${PRODUCT_NAME}"
+; HKLM (all users) vs HKCU (current user) defines
+!define env_hklm 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
+!define env_hkcu 'HKCU "Environment"'
+
+# MultiUser Symbol Definitions
+# https://nsis.sourceforge.io/Docs/MultiUser/Readme.html
+!define MULTIUSER_EXECUTIONLEVEL Highest
+!define MULTIUSER_MUI
+!define MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_KEY "${REGKEY}"
+!define MULTIUSER_INSTALLMODE_DEFAULT_REGISTRY_VALUENAME MultiUserInstallMode
+!define MULTIUSER_INSTALLMODE_COMMANDLINE
+!define MULTIUSER_INSTALLMODE_INSTDIR ${PRODUCT_NAME}
+!define MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY "${REGKEY}"
+!define MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUE "Path"
+!ifdef W64
+!define MULTIUSER_USE_PROGRAMFILES64
+!endif
+
+# MUI Symbol Definitions
+!define MUI_ABORTWARNING
+!define MUI_COMPONENTSPAGE_SMALLDESC
+!define MUI_HEADERIMAGE
+!define MUI_HEADERIMAGE_BITMAP_NOSTRETCH
+!define MUI_ICON "${NSISDIR}\Contrib\Graphics\Icons\modern-install-blue-full.ico"
+!define MUI_FINISHPAGE_LINK "View Tesseract on GitHub"
+!define MUI_FINISHPAGE_LINK_LOCATION "https://github.com/tesseract-ocr/tesseract"
+!define MUI_FINISHPAGE_NOAUTOCLOSE
+!ifdef SHOW_README
+; Showing the README does not work.
+!define MUI_FINISHPAGE_SHOWREADME "$INSTDIR\doc\README.md"
+!define MUI_FINISHPAGE_SHOWREADME_FUNCTION ShowReadme
+!define MUI_FINISHPAGE_SHOWREADME_TEXT "Show README"
+!endif
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT HKLM
+!define MUI_STARTMENUPAGE_REGISTRY_KEY ${REGKEY}
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME StartMenuGroup
+!define MUI_STARTMENUPAGE_DEFAULTFOLDER ${PRODUCT_NAME}
+!define MUI_UNICON "${NSISDIR}\Contrib\Graphics\Icons\orange-uninstall.ico"
+!define MUI_UNFINISHPAGE_NOAUTOCLOSE
+!define MUI_WELCOMEPAGE_TITLE_3LINES
+
+# Included files
+!include MultiUser.nsh
+!include Sections.nsh
+!include MUI2.nsh
+!include LogicLib.nsh
+!include winmessages.nsh # include for some of the windows messages defines
+
+# Variables
+Var StartMenuGroup
+; Define user variables
+Var OLD_KEY
+
+# Installer pages
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "${SRCDIR}\LICENSE"
+!insertmacro MULTIUSER_PAGE_INSTALLMODE
+  Page custom PageReinstall PageLeaveReinstall
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuGroup
+!insertmacro MUI_PAGE_INSTFILES
+!insertmacro MUI_PAGE_FINISH
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+# Languages
+!insertmacro MUI_LANGUAGE "English"
+!insertmacro MUI_LANGUAGE "French"
+!insertmacro MUI_LANGUAGE "German"
+!insertmacro MUI_LANGUAGE "Italian"
+!insertmacro MUI_LANGUAGE "Russian"
+!insertmacro MUI_LANGUAGE "Slovak"
+!insertmacro MUI_LANGUAGE "Spanish"
+!insertmacro MUI_LANGUAGE "SpanishInternational"
+
+# Installer attributes
+ShowInstDetails hide
+InstProgressFlags smooth colored
+XPStyle on
+SpaceTexts
+CRCCheck on
+InstProgressFlags smooth colored
+CRCCheck On  # Do a CRC check before installing
+
+!macro Download_Lang_Data Lang
+  ; Download traineddata file.
+  DetailPrint "Download: ${Lang} language file"
+  inetc::get /caption "Downloading ${Lang} language file" \
+      "${GITHUB_RAW_FILE_URL}/${Lang}.traineddata" $INSTDIR/tessdata/${Lang}.traineddata \
+      /END
+    Pop $0 # return value = exit code, "OK" if OK
+    StrCmp $0 "OK" +2
+    MessageBox MB_OK|MB_ICONEXCLAMATION \
+      "Download error. Status of ${Lang}: $0. Click OK to continue." /SD IDOK
+!macroend
+
+Section -Main SEC0000
+  ; mark as read only component
+  SectionIn RO
+  SetOutPath "$INSTDIR"
+  # files included in distribution
+  File ${PREFIX}/bin/tesseract.exe
+  File ${PREFIX}/bin/libtesseract-*.dll
+!ifdef CROSSBUILD
+  File ../dll/*.dll
+!endif
+  File ${SRCDIR}\nsis\winpath.exe
+  File ../doc/*.html
+  CreateDirectory "$INSTDIR\tessdata"
+  SetOutPath "$INSTDIR\tessdata"
+  File ${PREFIX}/share/tessdata/pdf.ttf
+  CreateDirectory "$INSTDIR\tessdata\configs"
+  SetOutPath "$INSTDIR\tessdata\configs"
+  File ${PREFIX}/share/tessdata/configs/*
+  CreateDirectory "$INSTDIR\tessdata\script"
+  CreateDirectory "$INSTDIR\tessdata\tessconfigs"
+  SetOutPath "$INSTDIR\tessdata\tessconfigs"
+  File ${PREFIX}/share/tessdata/tessconfigs/*
+  CreateDirectory "$INSTDIR\doc"
+  SetOutPath "$INSTDIR\doc"
+  File ${SRCDIR}\AUTHORS
+  File ${SRCDIR}\LICENSE
+  File ${SRCDIR}\README.md
+##  File ${SRCDIR}\ReleaseNotes
+SectionEnd
+
+Section "ScrollView" SecScrollView
+  SectionIn 1
+  SetOutPath "$INSTDIR\tessdata"
+  File ${PREFIX}/share/tessdata/*.jar
+SectionEnd
+
+Section "Training Tools" SecTr
+  SectionIn 1
+  SetOutPath "$INSTDIR"
+  File ${TRAININGDIR}\*.exe
+SectionEnd
+
+!define UNINST_EXE "$INSTDIR\tesseract-uninstall.exe"
+!define UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
+
+Section -post SEC0001
+!ifdef W64
+  SetRegView 64
+!endif
+  ;Store installation folder - we always use HKLM!
+  WriteRegStr HKLM "${REGKEY}" "Path" "$INSTDIR"
+  WriteRegStr HKLM "${REGKEY}" "Mode" $MultiUser.InstallMode
+  WriteRegStr HKLM "${REGKEY}" "InstallDir" "$INSTDIR"
+  WriteRegStr HKLM "${REGKEY}" "CurrentVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGKEY}" "Uninstaller" "${UNINST_EXE}"
+  ;WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\App Paths\tesseract.exe" "$INSTDIR\tesseract.exe"
+  ;WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Run" "Tesseract-OCR" "$INSTDIR\tesseract.exe"
+  ; Register to Add/Remove program in control panel
+  WriteRegStr HKLM "${UNINST_KEY}" "DisplayName" "${PRODUCT_NAME} - open source OCR engine"
+  WriteRegStr HKLM "${UNINST_KEY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${UNINST_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
+  WriteRegStr HKLM "${UNINST_KEY}" "URLInfoAbout" "${PRODUCT_WEB_SITE}"
+  WriteRegStr HKLM "${UNINST_KEY}" "DisplayIcon" "${UNINST_EXE}"
+  WriteRegStr HKLM "${UNINST_KEY}" "UninstallString" "${UNINST_EXE}"
+  WriteRegStr HKLM "${UNINST_KEY}" "QuietUninstallString" '"${UNINST_EXE}" /S'
+  WriteRegDWORD HKLM "${UNINST_KEY}" "NoModify" 1
+  WriteRegDWORD HKLM "${UNINST_KEY}" "NoRepair" 1
+  ;Create uninstaller
+  WriteUninstaller "${UNINST_EXE}"
+  ;ExecShell "open" "https://github.com/tesseract-ocr/tesseract"
+  ;ExecShell "open" '"$INSTDIR"'
+  ;BringToFront
+SectionEnd
+
+Section "Shortcuts creation" SecCS
+  SetOutPath $INSTDIR
+  CreateDirectory "$SMPROGRAMS\${PRODUCT_NAME}"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\Console.lnk" "$INSTDIR\winpath.exe" "cmd"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\Dokumentation.lnk" "$INSTDIR\tesseract.1.html"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\Homepage.lnk" "${PRODUCT_WEB_SITE}"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\ReadMe.lnk" "${PRODUCT_WEB_SITE}/wiki/ReadMe"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\FAQ.lnk" "${PRODUCT_WEB_SITE}/wiki/FAQ"
+  CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}\Uninstall.lnk" "${UNINST_EXE}" "" "${UNINST_EXE}" 0
+  ;CreateShortCut "$DESKTOP\Tesseract-OCR.lnk" "$INSTDIR\tesseract.exe" "" "$INSTDIR\tesseract.exe" 0
+  ;CreateShortCut "$QUICKLAUNCH\.lnk" "$INSTDIR\tesseract.exe" "" "$INSTDIR\tesseract.exe" 0
+SectionEnd
+
+; Language files
+SectionGroup "Language data" SecGrp_LD
+    Section "English" SecLang_eng
+    SectionIn RO
+      SetOutPath "$INSTDIR\tessdata"
+      File ${SRCDIR}\tessdata\eng.*
+    SectionEnd
+
+    Section "Orientation and script detection" SecLang_osd
+    SectionIn 1
+      SetOutPath "$INSTDIR\tessdata"
+      File ${SRCDIR}\tessdata\osd.*
+    SectionEnd
+SectionGroupEnd
+
+; Download script files
+SectionGroup "Additional script data (download)" SecGrp_ASD
+  Section /o "Arabic script" SecLang_Arabic
+    AddSize 8880
+    !insertmacro Download_Lang_Data script/Arabic
+  SectionEnd
+
+  Section /o "Armenian script" SecLang_Armenian
+    AddSize 7510
+    !insertmacro Download_Lang_Data script/Armenian
+  SectionEnd
+
+  Section /o "Bengali script" SecLang_Bengali
+    AddSize 5450
+    !insertmacro Download_Lang_Data script/Bengali
+  SectionEnd
+
+  Section /o "Canadian Aboriginal script" SecLang_Canadian_Aboriginal
+    AddSize 6850
+    !insertmacro Download_Lang_Data script/Canadian_Aboriginal
+  SectionEnd
+
+  Section /o "Cherokee script" SecLang_Cherokee
+    AddSize 4040
+    !insertmacro Download_Lang_Data script/Cherokee
+  SectionEnd
+
+  Section /o "Cyrillic script" SecLang_Cyrillic
+    AddSize 27900
+    !insertmacro Download_Lang_Data script/Cyrillic
+  SectionEnd
+
+  Section /o "Devanagari script" SecLang_Devanagari
+    AddSize 17100
+    !insertmacro Download_Lang_Data script/Devanagari
+  SectionEnd
+
+  Section /o "Ethiopic script" SecLang_Ethiopic
+    AddSize 8650
+    !insertmacro Download_Lang_Data script/Ethiopic
+  SectionEnd
+
+  Section /o "Fraktur script" SecLang_Fraktur
+    AddSize 10400
+    !insertmacro Download_Lang_Data script/Fraktur
+  SectionEnd
+
+  Section /o "Georgian script" SecLang_Georgian
+    AddSize 6630
+    !insertmacro Download_Lang_Data script/Georgian
+  SectionEnd
+
+  Section /o "Greek script" SecLang_Greek
+    AddSize 2900
+    !insertmacro Download_Lang_Data script/Greek
+  SectionEnd
+
+  Section /o "Gujarati script" SecLang_Gujarati
+    AddSize 4780
+    !insertmacro Download_Lang_Data script/Gujarati
+  SectionEnd
+
+  Section /o "Gurmukhi script" SecLang_Gurmukhi
+    AddSize 4020
+    !insertmacro Download_Lang_Data script/Gurmukhi
+  SectionEnd
+
+  Section /o "Han Simplified script" SecLang_HanS
+    AddSize 5700
+    !insertmacro Download_Lang_Data script/HanS
+  SectionEnd
+
+  Section /o "Han Simplified vertical script" SecLang_HanS_vert
+    AddSize 5304
+    !insertmacro Download_Lang_Data script/HanS_vert
+  SectionEnd
+
+  Section /o "Han Traditional script" SecLang_HanT
+    AddSize 5200
+    !insertmacro Download_Lang_Data script/HanT
+  SectionEnd
+
+  Section /o "Han Traditional vertical script" SecLang_HanT_vert
+    AddSize 5200
+    !insertmacro Download_Lang_Data script/HanT_vert
+  SectionEnd
+
+  Section /o "Hangul script" SecLang_Hangul
+    AddSize 4620
+    !insertmacro Download_Lang_Data script/Hangul
+  SectionEnd
+
+  Section /o "Hangul vertical script" SecLang_Hangul_vert
+    AddSize 4510
+    !insertmacro Download_Lang_Data script/Hangul_vert
+  SectionEnd
+
+  Section /o "Hebrew script" SecLang_Hebrew
+    AddSize 4640
+    !insertmacro Download_Lang_Data script/Hebrew
+  SectionEnd
+
+  Section /o "Japanese script" SecLang_Japanese
+    AddSize 5610
+    !insertmacro Download_Lang_Data script/Japanese
+  SectionEnd
+
+  Section /o "Japanese vertical script" SecLang_Japanese_vert
+    AddSize 6150
+    !insertmacro Download_Lang_Data script/Japanese_vert
+  SectionEnd
+
+  Section /o "Kannada script" SecLang_Kannada
+    AddSize 6460
+    !insertmacro Download_Lang_Data script/Kannada
+  SectionEnd
+
+  Section /o "Khmer script" SecLang_Khmer
+    AddSize 4270
+    !insertmacro Download_Lang_Data script/Khmer
+  SectionEnd
+
+  Section /o "Lao script" SecLang_Script_Lao
+    AddSize 9640
+    !insertmacro Download_Lang_Data script/Lao
+  SectionEnd
+
+  Section /o "Latin script" SecLang_Latin
+    AddSize 85200
+    !insertmacro Download_Lang_Data script/Latin
+  SectionEnd
+
+  Section /o "Malayalam script" SecLang_Malayalam
+    AddSize 8590
+    !insertmacro Download_Lang_Data script/Malayalam
+  SectionEnd
+
+  Section /o "Myanmar script" SecLang_Myanmar
+    AddSize 7480
+    !insertmacro Download_Lang_Data script/Myanmar
+  SectionEnd
+
+  Section /o "Oriya script" SecLang_Oriya
+    AddSize 5480
+    !insertmacro Download_Lang_Data script/Oriya
+  SectionEnd
+
+  Section /o "Sinhala script" SecLang_Sinhala
+    AddSize 4560
+    !insertmacro Download_Lang_Data script/Sinhala
+  SectionEnd
+
+  Section /o "Syriac script" SecLang_Syriac
+    AddSize 5530
+    !insertmacro Download_Lang_Data script/Syriac
+  SectionEnd
+
+  Section /o "Tamil script" SecLang_Tamil
+    AddSize 6760
+    !insertmacro Download_Lang_Data script/Tamil
+  SectionEnd
+
+  Section /o "Telugu script" SecLang_Telugu
+    AddSize 6180
+    !insertmacro Download_Lang_Data script/Telugu
+  SectionEnd
+
+  Section /o "Thaana script" SecLang_Thaana
+    AddSize 5770
+    !insertmacro Download_Lang_Data script/Thaana
+  SectionEnd
+
+  Section /o "Thai script" SecLang_Thai
+    AddSize 4050
+    !insertmacro Download_Lang_Data script/Thai
+  SectionEnd
+
+  Section /o "Tibetan script" SecLang_Tibetan
+    AddSize 5440
+    !insertmacro Download_Lang_Data script/Tibetan
+  SectionEnd
+
+  Section /o "Vietnamese script" SecLang_Vietnamese
+    AddSize 1590
+    !insertmacro Download_Lang_Data script/Vietnamese
+  SectionEnd
+
+SectionGroupEnd
+
+; Download language files
+SectionGroup "Additional language data (download)" SecGrp_ALD
+  Section /o "Math / equation detection module" SecLang_equ
+    AddSize 2200
+    !insertmacro Download_Lang_Data equ
+  SectionEnd
+
+  ; The language names are documented here:
+  ; https://github.com/tesseract-ocr/tesseract/blob/main/doc/tesseract.1.asc#languages
+
+  Section /o "Afrikaans" SecLang_afr
+    AddSize 2530
+    !insertmacro Download_Lang_Data afr
+  SectionEnd
+
+  Section /o "Albanian" SecLang_sqi
+    AddSize 1790
+    !insertmacro Download_Lang_Data sqi
+  SectionEnd
+
+  Section /o "Amharic" SecLang_amh
+    AddSize 5220
+    !insertmacro Download_Lang_Data amh
+  SectionEnd
+
+  Section /o "Arabic" SecLang_ara
+    AddSize 1370
+    !insertmacro Download_Lang_Data ara
+  SectionEnd
+
+  Section /o "Armenian" SecLang_hye
+    AddSize 3300
+    !insertmacro Download_Lang_Data hye
+  SectionEnd
+
+  Section /o "Assamese" SecLang_asm
+    AddSize 1950
+    !insertmacro Download_Lang_Data asm
+  SectionEnd
+
+  Section /o "Azerbaijani" SecLang_aze
+    AddSize 3360
+    !insertmacro Download_Lang_Data aze
+  SectionEnd
+
+  Section /o "Azerbaijani (Cyrillic)" SecLang_aze_cyrl
+    AddSize 1850
+    !insertmacro Download_Lang_Data aze_cyrl
+  SectionEnd
+
+  Section /o "Basque" SecLang_eus
+    AddSize 4940
+    !insertmacro Download_Lang_Data eus
+  SectionEnd
+
+  Section /o "Belarusian" SecLang_bel
+    AddSize 3520
+    !insertmacro Download_Lang_Data bel
+  SectionEnd
+
+  Section /o "Bengali" SecLang_ben
+    AddSize 836
+    !insertmacro Download_Lang_Data ben
+  SectionEnd
+
+  Section /o "Bosnian" SecLang_bos
+    AddSize 2380
+    !insertmacro Download_Lang_Data bos
+  SectionEnd
+
+  Section /o "Breton" SecLang_bre
+    AddSize 6188
+    !insertmacro Download_Lang_Data bre
+  SectionEnd
+
+  Section /o "Bulgarian" SecLang_bul
+    AddSize 1600
+    !insertmacro Download_Lang_Data bul
+  SectionEnd
+
+  Section /o "Burmese" SecLang_mya
+    AddSize 4430
+    !insertmacro Download_Lang_Data mya
+  SectionEnd
+
+  Section /o "Catalan" SecLang_cat
+    AddSize 1090
+    !insertmacro Download_Lang_Data cat
+  SectionEnd
+
+  Section /o "Cebuano" SecLang_ceb
+    AddSize 699
+    !insertmacro Download_Lang_Data ceb
+  SectionEnd
+
+  Section /o "Cherokee" SecLang_chr
+    AddSize 366
+    !insertmacro Download_Lang_Data chr
+  SectionEnd
+
+  Section /o "Chinese (Simplified)" SecLang_chi_sim
+    AddSize 2350
+    !insertmacro Download_Lang_Data chi_sim
+  SectionEnd
+
+  Section /o "Chinese (Simplified vertical)" SecLang_chi_sim_vert
+    AddSize 1840
+    !insertmacro Download_Lang_Data chi_sim_vert
+  SectionEnd
+
+  Section /o "Chinese (Traditional)" SecLang_chi_tra
+    AddSize 2260
+    !insertmacro Download_Lang_Data chi_tra
+  SectionEnd
+
+  Section /o "Chinese (Traditional vertical)" SecLang_chi_tra_vert
+    AddSize 1740
+    !insertmacro Download_Lang_Data chi_tra_vert
+  SectionEnd
+
+  Section /o "Corsican" SecLang_cos
+    AddSize 2190
+    !insertmacro Download_Lang_Data cos
+  SectionEnd
+
+  Section /o "Croatian" SecLang_hrv
+    AddSize 3910
+    !insertmacro Download_Lang_Data hrv
+  SectionEnd
+
+  Section /o "Czech" SecLang_ces
+    AddSize 3620
+    !insertmacro Download_Lang_Data ces
+  SectionEnd
+
+  Section /o "Danish" SecLang_dan
+    AddSize 2460
+    !insertmacro Download_Lang_Data dan
+  SectionEnd
+
+  Section /o "Divehi" SecLang_div
+    AddSize 1690
+    !insertmacro Download_Lang_Data div
+  SectionEnd
+
+  Section /o "Dutch; Flemish" SecLang_nld 
+    AddSize 5770
+    !insertmacro Download_Lang_Data nld
+  SectionEnd
+
+  Section /o "Dzongkha" SecLang_dzo
+    AddSize 439
+    !insertmacro Download_Lang_Data dzo
+  SectionEnd
+
+  Section /o "English - Middle (1100-1500)" SecLang_enm
+    AddSize 2960
+    !insertmacro Download_Lang_Data enm
+  SectionEnd
+
+  Section /o "Esperanto" SecLang_epo
+    AddSize 4510
+    !insertmacro Download_Lang_Data epo
+  SectionEnd
+
+  Section /o "Estonian" SecLang_est
+    AddSize 4250
+    !insertmacro Download_Lang_Data est
+  SectionEnd
+
+  Section /o "Faroese" SecLang_fao
+    AddSize 3280
+    !insertmacro Download_Lang_Data fao
+  SectionEnd
+
+  Section /o "Filipino" SecLang_fil
+    AddSize 1760
+    !insertmacro Download_Lang_Data fil
+  SectionEnd
+
+  Section /o "Finnish" SecLang_fin
+    AddSize 7500
+    !insertmacro Download_Lang_Data fin
+  SectionEnd
+
+  Section /o "French" SecLang_fra
+    AddSize 1080
+    !insertmacro Download_Lang_Data fra
+  SectionEnd
+
+  Section /o "French - Middle (ca. 1400-1600)" SecLang_frm
+    AddSize 1930
+    !insertmacro Download_Lang_Data frm
+  SectionEnd
+
+  Section /o "Frisian (Western)" SecLang_fry
+    AddSize 1820
+    !insertmacro Download_Lang_Data fry
+  SectionEnd
+
+  Section /o "Gaelic (Scots)" SecLang_gla
+    AddSize 2930
+    !insertmacro Download_Lang_Data gla
+  SectionEnd
+
+  Section /o "Galician" SecLang_glg
+    AddSize 2440
+    !insertmacro Download_Lang_Data glg
+  SectionEnd
+
+  Section /o "Georgian" SecLang_kat
+    AddSize 2410
+    !insertmacro Download_Lang_Data kat
+  SectionEnd
+
+  Section /o "Georgian (Old)" SecLang_kat_old
+    AddSize 413
+    !insertmacro Download_Lang_Data kat_old
+  SectionEnd
+
+  Section /o "German" SecLang_deu
+    AddSize 1450
+    !insertmacro Download_Lang_Data deu
+  SectionEnd
+
+  Section /o "German Fraktur" SecLang_deu_latf
+    AddSize 6130
+    !insertmacro Download_Lang_Data deu_latf
+  SectionEnd
+
+  Section /o "Greek" SecLang_ell
+    AddSize 1350
+    !insertmacro Download_Lang_Data ell
+  SectionEnd
+
+  Section /o "Greek, Ancient (-1453)" SecLang_grc
+    AddSize 2140
+    !insertmacro Download_Lang_Data grc
+  SectionEnd
+
+  Section /o "Gujarati" SecLang_guj
+    AddSize 1350
+    !insertmacro Download_Lang_Data guj
+  SectionEnd
+
+  Section /o "Haitian" SecLang_hat
+    AddSize 1890
+    !insertmacro Download_Lang_Data hat
+  SectionEnd
+
+  Section /o "Hebrew" SecLang_heb
+    AddSize 939
+    !insertmacro Download_Lang_Data heb
+  SectionEnd
+
+  Section /o "Hindi" SecLang_hin
+    AddSize 1070
+    !insertmacro Download_Lang_Data hin
+  SectionEnd
+
+  Section /o "Hungarian" SecLang_hun
+    AddSize 5050
+    !insertmacro Download_Lang_Data hun
+  SectionEnd
+
+  Section /o "Icelandic" SecLang_isl  
+    AddSize 2170
+    !insertmacro Download_Lang_Data isl
+  SectionEnd
+
+  Section /o "Indonesian" SecLang_ind
+    AddSize 1070
+    !insertmacro Download_Lang_Data ind
+  SectionEnd
+
+  Section /o "Inuktitut" SecLang_iku
+    AddSize 2670
+    !insertmacro Download_Lang_Data iku
+  SectionEnd
+
+  Section /o "Irish" SecLang_gle
+    AddSize 1130
+    !insertmacro Download_Lang_Data gle
+  SectionEnd
+
+  Section /o "Italian" SecLang_ita
+    AddSize 2580
+    !insertmacro Download_Lang_Data ita
+  SectionEnd
+
+  Section /o "Italian (Old)" SecLang_ita_old
+    AddSize 3130
+    !insertmacro Download_Lang_Data ita_old
+  SectionEnd
+
+  Section /o "Japanese" SecLang_jpn
+    AddSize 2360
+    !insertmacro Download_Lang_Data jpn
+  SectionEnd
+
+  Section /o "Japanese (vertical)" SecLang_jpn_vert
+    AddSize 2900
+    !insertmacro Download_Lang_Data jpn_vert
+  SectionEnd
+
+  Section /o "Javanese" SecLang_jav
+    AddSize 2840
+    !insertmacro Download_Lang_Data jav
+  SectionEnd
+
+  Section /o "Kannada" SecLang_kan
+    AddSize 3440
+    !insertmacro Download_Lang_Data kan
+  SectionEnd
+
+  Section /o "Kazakh" SecLang_kaz
+    AddSize 4520
+    !insertmacro Download_Lang_Data kaz
+  SectionEnd
+
+  Section /o "Kirghiz" SecLang_kir
+    AddSize 9470
+    !insertmacro Download_Lang_Data kir
+  SectionEnd
+
+  Section /o "Khmer (Central)" SecLang_khm
+    AddSize 1380
+    !insertmacro Download_Lang_Data khm
+  SectionEnd
+
+  Section /o "Korean" SecLang_kor
+    AddSize 1600
+    !insertmacro Download_Lang_Data kor
+  SectionEnd
+
+  Section /o "Kurdish (Kurmanji)" SecLang_kmr
+    AddSize 3400
+    !insertmacro Download_Lang_Data kmr
+  SectionEnd
+
+  Section /o "Lao" SecLang_lao
+    AddSize 6090
+    !insertmacro Download_Lang_Data lao
+  SectionEnd
+
+  Section /o "Latin" SecLang_lat
+    AddSize 3040
+    !insertmacro Download_Lang_Data lat
+  SectionEnd
+
+  Section /o "Latvian" SecLang_lav
+    AddSize 2590
+    !insertmacro Download_Lang_Data lav
+  SectionEnd
+
+  Section /o "Lithuanian" SecLang_lit
+    AddSize 3010
+    !insertmacro Download_Lang_Data lit
+  SectionEnd
+
+  Section /o "Luxembourgish" SecLang_ltz
+    AddSize 2490
+    !insertmacro Download_Lang_Data ltz
+  SectionEnd
+
+  Section /o "Malay" SecLang_msa
+    AddSize 1670
+    !insertmacro Download_Lang_Data msa
+  SectionEnd
+
+  Section /o "Malayalam" SecLang_mal
+    AddSize 5030
+    !insertmacro Download_Lang_Data mal
+  SectionEnd
+
+  Section /o "Marathi" SecLang_mar
+    AddSize 2020
+    !insertmacro Download_Lang_Data mar
+  SectionEnd
+
+  Section /o "Macedonian" SecLang_mkd
+    AddSize 1530
+    !insertmacro Download_Lang_Data mkd
+  SectionEnd
+
+  Section /o "Maltese" SecLang_mlt
+    AddSize 2200
+    !insertmacro Download_Lang_Data mlt
+  SectionEnd
+
+  Section /o "Mongolian" SecLang_mon
+    AddSize 2040
+    !insertmacro Download_Lang_Data mon
+  SectionEnd
+
+  Section /o "Maori" SecLang_mri
+    AddSize 843
+    !insertmacro Download_Lang_Data mri
+  SectionEnd
+
+  Section /o "Nepali" SecLang_nep
+    AddSize 979
+    !insertmacro Download_Lang_Data nep
+  SectionEnd
+
+  Section /o "Norwegian" SecLang_nor
+    AddSize 3440
+    !insertmacro Download_Lang_Data nor
+  SectionEnd
+
+  Section /o "Occitan (post 1500)" SecLang_oci
+    AddSize 6030
+    !insertmacro Download_Lang_Data oci
+  SectionEnd
+
+  Section /o "Oriya" SecLang_ori
+    AddSize 1410
+    !insertmacro Download_Lang_Data ori
+  SectionEnd
+
+  Section /o "Panjabi / Punjabi" SecLang_pan
+    AddSize 4860
+    !insertmacro Download_Lang_Data pan
+  SectionEnd
+
+  Section /o "Persian" SecLang_fas
+    AddSize 421
+    !insertmacro Download_Lang_Data fas
+  SectionEnd
+
+  Section /o "Polish" SecLang_pol
+    AddSize 4540
+    !insertmacro Download_Lang_Data pol
+  SectionEnd
+
+  Section /o "Portuguese" SecLang_por
+    AddSize 1890
+    !insertmacro Download_Lang_Data por
+  SectionEnd
+
+  Section /o "Pushto / Pashto" SecLang_pus
+    AddSize 1690
+    !insertmacro Download_Lang_Data pus
+  SectionEnd
+
+  Section /o "Quechua" SecLang_que
+    AddSize 4790
+    !insertmacro Download_Lang_Data que
+  SectionEnd
+
+  Section /o "Romanian" SecLang_ron
+    AddSize 2270
+    !insertmacro Download_Lang_Data ron
+  SectionEnd
+
+  Section /o "Russian" SecLang_rus
+    AddSize 3680
+    !insertmacro Download_Lang_Data rus
+  SectionEnd
+
+  Section /o "Sanskrit" SecLang_san
+    AddSize 1180
+    !insertmacro Download_Lang_Data san
+  SectionEnd
+
+  Section /o "Sinhala / Sinhalese" SecLang_sin
+    AddSize 1650
+    !insertmacro Download_Lang_Data sin
+  SectionEnd
+
+  Section /o "Slovak" SecLang_slk
+    AddSize 4220
+    !insertmacro Download_Lang_Data slk
+  SectionEnd
+
+  Section /o "Slovenian" SecLang_slv
+    AddSize 2860
+    !insertmacro Download_Lang_Data slv
+  SectionEnd
+
+  Section /o "Sindhi" SecLang_snd
+    AddSize 1620
+    !insertmacro Download_Lang_Data snd
+  SectionEnd
+
+  Section /o "Spanish" SecLang_spa
+    AddSize 2190
+    !insertmacro Download_Lang_Data spa
+  SectionEnd
+
+  Section /o "Spanish (Old)" SecLang_spa_old
+    AddSize 2760
+    !insertmacro Download_Lang_Data spa_old
+  SectionEnd
+
+  Section /o "Serbian" SecLang_srp
+    AddSize 2050
+    !insertmacro Download_Lang_Data srp
+  SectionEnd
+
+  Section /o "Serbian (Latin)" SecLang_srp_latn
+    AddSize 3130
+    !insertmacro Download_Lang_Data srp_latn
+  SectionEnd
+
+  Section /o "Sundanese" SecLang_sun
+    AddSize 1310
+    !insertmacro Download_Lang_Data sun
+  SectionEnd
+
+  Section /o "Swahili" SecLang_swa
+    AddSize 2070
+    !insertmacro Download_Lang_Data swa
+  SectionEnd
+
+  Section /o "Swedish" SecLang_swe
+    AddSize 3970
+    !insertmacro Download_Lang_Data swe
+  SectionEnd
+
+  Section /o "Syriac" SecLang_syr
+    AddSize 2100
+    !insertmacro Download_Lang_Data syr
+  SectionEnd
+
+ Section /o "Tamil" SecLang_tam
+    AddSize 3090
+    !insertmacro Download_Lang_Data tam
+  SectionEnd
+
+  Section /o "Tatar" SecLang_tat
+    AddSize 1020
+    !insertmacro Download_Lang_Data tat
+  SectionEnd
+
+  Section /o "Telugu" SecLang_tel
+    AddSize 2640
+    !insertmacro Download_Lang_Data tel
+  SectionEnd
+
+  Section /o "Tajik" SecLang_tgk
+    AddSize 2480
+    !insertmacro Download_Lang_Data tgk
+  SectionEnd
+
+  Section /o "Thai" SecLang_tha
+    AddSize 1020
+    !insertmacro Download_Lang_Data tha
+  SectionEnd
+
+  Section /o "Tibetan" SecLang_bod
+    AddSize 1880
+    !insertmacro Download_Lang_Data bod
+  SectionEnd
+
+  Section /o "Tigrinya" SecLang_tir
+    AddSize 370
+    !insertmacro Download_Lang_Data tir
+  SectionEnd
+
+ Section /o "Tonga" SecLang_ton
+    AddSize 925
+    !insertmacro Download_Lang_Data ton
+  SectionEnd
+
+  Section /o "Turkish" SecLang_tur
+    AddSize 4240
+    !insertmacro Download_Lang_Data tur
+  SectionEnd
+
+  Section /o "Uighur" SecLang_uig
+    AddSize 2660
+    !insertmacro Download_Lang_Data uig
+  SectionEnd
+
+  Section /o "Ukrainian" SecLang_ukr
+    AddSize 3650
+    !insertmacro Download_Lang_Data ukr
+  SectionEnd
+
+  Section /o "Urdu" SecLang_urd
+    AddSize 1330
+    !insertmacro Download_Lang_Data urd
+  SectionEnd
+
+  Section /o "Uzbek" SecLang_uzb
+    AddSize 6170
+    !insertmacro Download_Lang_Data uzb
+  SectionEnd
+
+  Section /o "Uzbek (Cyrillic)" SecLang_uzb_cyrl
+    AddSize 1490
+    !insertmacro Download_Lang_Data uzb_cyrl
+  SectionEnd
+
+  Section /o "Vietnamese" SecLang_vie
+    AddSize 519
+    !insertmacro Download_Lang_Data vie
+  SectionEnd
+
+  Section /o "Welsh" SecLang_cym
+    AddSize 2110
+    !insertmacro Download_Lang_Data cym
+  SectionEnd
+
+  Section /o "Yiddish" SecLang_yid
+    AddSize 533
+    !insertmacro Download_Lang_Data yid
+  SectionEnd
+
+  Section /o "Yoruba" SecLang_yor
+    AddSize 941
+    !insertmacro Download_Lang_Data yor
+  SectionEnd
+
+SectionGroupEnd
+
+;--------------------------------
+;Descriptions
+  ; At first we need to localize installer for languages which supports well in tesseract: Eng, Spa, Ger, Ita, Dutch + Russian (it is authors native language)
+  ;Language strings
+  LangString DESC_SEC0001 ${LANG_RUSSIAN} "Установочные файлы."
+  ;LangString DESC_SecHelp ${LANG_RUSSIAN} "Справочная информация."
+  LangString DESC_SecCS    ${LANG_RUSSIAN} "Добавить ярлыки в меню Пуск"
+
+  LangString DESC_SEC0001 ${LANG_ENGLISH} "Installation files."
+  ;LangString DESC_SecHelp ${LANG_ENGLISH} "Help information."
+  LangString DESC_SecCS    ${LANG_ENGLISH} "Add shortcuts to Start menu."
+
+  LangString DESC_SEC0001 ${LANG_FRENCH} "Fichier d'installation."
+  ;LangString DESC_SecHelp ${LANG_FRENCH} "Aide."
+  LangString DESC_SecCS   ${LANG_FRENCH} "Ajouter des raccourcis vers le menu démarrer."
+
+  LangString DESC_SEC0001 ${LANG_GERMAN} "Dateien für die Installation."
+ ;LangString DESC_SecHelp ${LANG_GERMAN} "Hilfe."
+  LangString DESC_SecCS   ${LANG_GERMAN} "Einträge im Startmenü hinzufügen."
+
+  LangString DESC_SEC0001 ${LANG_ITALIAN} "File di installazione."
+  ;LangString DESC_SecHelp ${LANG_ITALIAN} "Guida di informazioni."
+  LangString DESC_SecCS    ${LANG_ITALIAN} "Aggiungere collegamenti al menu Start."
+
+  LangString DESC_SEC0001 ${LANG_SLOVAK} "Súbory inštalácie."
+  ;LangString DESC_SecHelp ${LANG_ENGLISH} "Pomocné informácie."
+  LangString DESC_SecCS    ${LANG_SLOVAK} "Pridať odkaz do Start menu."
+
+  LangString DESC_SEC0001 ${LANG_SPANISH} "Los archivos de instalación."
+  ;LangString DESC_SecHelp ${LANG_SPANISH} "Información de ayuda."
+  LangString DESC_SecCS    ${LANG_SPANISH} "Ańadir accesos directos al menú Inicio."
+
+  LangString DESC_SEC0001 ${LANG_SPANISHINTERNATIONAL} "Los archivos de instalación."
+  ;LangString DESC_SecHelp ${LANG_SPANISHINTERNATIONAL} "Información de ayuda."
+  LangString DESC_SecCS    ${LANG_SPANISHINTERNATIONAL} "Ańadir accesos directos al menú Inicio."
+
+  ;Assign language strings to sections
+  !insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+    !insertmacro MUI_DESCRIPTION_TEXT ${SEC0001} $(DESC_SEC0001)
+    !insertmacro MUI_DESCRIPTION_TEXT ${SecCS} $(DESC_SecCS)
+  !insertmacro MUI_FUNCTION_DESCRIPTION_END
+
+;--------------------------------
+;Uninstaller Section
+
+;Section /o -un.Main UNSEC0000
+Section -un.Main UNSEC0000
+!ifdef W64
+  SetRegView 64
+!endif
+  DetailPrint "Removing everything"
+  Delete "$SMPROGRAMS\${PRODUCT_NAME}\*.*"
+  RMDir  "$SMPROGRAMS\${PRODUCT_NAME}"
+  DetailPrint "Removing registry info"
+  DeleteRegKey HKLM "Software\Tesseract-OCR"
+  SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=1000
+
+  # remove the Add/Remove information
+  DeleteRegKey HKLM "${UNINST_KEY}"
+  Delete "${UNINST_EXE}"
+  DeleteRegValue HKLM "${REGKEY}" Path
+  DeleteRegKey /IfEmpty HKLM "${REGKEY}\Components"
+  DeleteRegKey /IfEmpty HKLM "${REGKEY}"
+  Delete "$INSTDIR\*.dll"
+  Delete "$INSTDIR\*.exe"
+  Delete "$INSTDIR\*.html"
+  Delete "$INSTDIR\doc\AUTHORS"
+  Delete "$INSTDIR\doc\LICENSE"
+  Delete "$INSTDIR\doc\README.md"
+  RMDir "$INSTDIR\doc"
+  RMDir /r "$INSTDIR\tessdata"
+  RMDir "$INSTDIR"
+SectionEnd
+
+Function PageReinstall
+
+FunctionEnd
+
+Function PageLeaveReinstall
+
+FunctionEnd
+
+!macro REMOVE_REGKEY OLD_KEY
+  StrCmp ${OLD_KEY} HKLM 0 +3
+    DeleteRegKey HKLM "${REGKEY}"
+    Goto End
+  DeleteRegKey HKCU "${REGKEY}"
+  End:
+!macroend
+
+Function .onInit
+!ifdef W64
+  SetRegView 64
+!endif
+  Call PreventMultipleInstances
+  !insertmacro MUI_LANGDLL_DISPLAY
+  ;RequestExecutionLevel admin
+  !insertmacro MULTIUSER_INIT
+
+  ; is tesseract already installed?
+  ReadRegStr $R0 HKCU "${REGKEY}" "CurrentVersion"
+  StrCpy $OLD_KEY HKCU
+  StrCmp $R0 "" TestHKLM AskUninstall
+  TestHKLM:
+    ReadRegStr $R0 HKLM "${REGKEY}" "CurrentVersion"
+    StrCpy $OLD_KEY HKLM
+    StrCmp $R0 "" SkipUnInstall
+  AskUninstall:
+    MessageBox MB_YESNO|MB_ICONEXCLAMATION \
+      "Tesseract-ocr version $R0 is installed (in $OLD_KEY)! Do you want to uninstall it first?$\nUninstall will delete all files in '$INSTDIR'!" \
+       /SD IDYES IDNO SkipUnInstall IDYES UnInstall
+  UnInstall:
+    StrCmp $OLD_KEY "HKLM" UnInst_hklm
+       DetailPrint "Uninstall: current user"
+       readRegStr $R1 HKCU "${UNINST_KEY}" "UninstallString"
+       Goto try_uninstall
+    UnInst_hklm:
+       DetailPrint "UnInstall: all users"
+       readRegStr $R1 HKLM "${UNINST_KEY}" "UninstallString"
+    try_uninstall:
+      ClearErrors
+      ExecWait '$R1 _?=$INSTDIR'$0
+      ; Check if unstaller finished ok. If yes, then try to remove it from installer.
+      StrCmp $0 0 0 +3
+        !insertmacro REMOVE_REGKEY ${OLD_KEY}
+        Goto SkipUnInstall
+      messagebox mb_ok "Uninstaller failed:\n$0\n\nYou need to remove program manually."
+  SkipUnInstall:
+    ;InitPluginsDir
+    ;File /oname=$PLUGINSDIR\splash.bmp "${NSISDIR}\Contrib\Graphics\Header\nsis.bmp"
+    ;File /oname=$PLUGINSDIR\splash.bmp "new.bmp"
+    ;advsplash::show 1000 600 400 -1 $PLUGINSDIR\splash
+    ;Pop $0          ; $0 has '1' if the user closed the splash screen early,
+                    ; '0' if everything closed normal, and '-1' if some error occurred.
+    ;IfFileExists $INSTDIR\loadmain.exe PathGood
+  ;done:
+    ; Make selection based on System language ID
+    System::Call 'kernel32::GetSystemDefaultLangID() i .r0'
+    ;http://msdn.microsoft.com/en-us/library/dd318693%28v=VS.85%29.aspx
+    StrCmp $0 "1078" Afrikaans
+    StrCmp $0 "1052" Albanian
+    StrCmp $0 "5121" Arabic
+    StrCmp $0 "1068" Azerbaijani
+    StrCmp $0 "1069" Basque
+    StrCmp $0 "1059" Belarusian
+    StrCmp $0 "1093" Bengali
+    StrCmp $0 "1026" Bulgarian
+    StrCmp $0 "1027" Catalan
+    StrCmp $0 "1116" Cherokee
+    StrCmp $0 "31748" Chinese_tra
+    StrCmp $0 "4" Chinese_sim
+    StrCmp $0 "26" Croatian
+    StrCmp $0 "1029" Czech
+    StrCmp $0 "1030" Danish
+    StrCmp $0 "2067" Dutch
+    StrCmp $0 "1061" Estonian
+    StrCmp $0 "3079" German
+    StrCmp $0 "1032" Greek
+    StrCmp $0 "1035" Finnish
+    StrCmp $0 "2060" French
+    StrCmp $0 "1037" Hebrew
+    StrCmp $0 "1081" Hindi
+    StrCmp $0 "1038" Hungarian
+    StrCmp $0 "1039" Icelandic
+    StrCmp $0 "1057" Indonesian
+    StrCmp $0 "1040" Italian
+    StrCmp $0 "1041" Japanese
+    StrCmp $0 "1099" Kannada
+    StrCmp $0 "1042" Korean
+    StrCmp $0 "1062" Latvian
+    StrCmp $0 "1063" Lithuanian
+    StrCmp $0 "1071" Macedonian
+    StrCmp $0 "1100" Malayalam
+    StrCmp $0 "2110" Malay
+    StrCmp $0 "1082" Maltese
+    StrCmp $0 "1044" Norwegian
+    StrCmp $0 "1045" Polish
+    StrCmp $0 "1046" Portuguese
+    StrCmp $0 "1048" Romanian
+    StrCmp $0 "1049" Russian
+    StrCmp $0 "1051" Slovak
+    StrCmp $0 "1060" Slovenian
+    StrCmp $0 "11274" Spanish
+    StrCmp $0 "2074" Serbian
+    StrCmp $0 "1089" Swahili
+    StrCmp $0 "2077" Swedish
+    StrCmp $0 "1097" Tamil
+    StrCmp $0 "1098" Telugu
+    StrCmp $0 "1054" Thai
+    StrCmp $0 "1055" Turkish
+    StrCmp $0 "1058" Ukrainian
+    StrCmp $0 "1066" Vietnamese
+
+    Goto lang_end
+
+    Afrikaans: !insertmacro SelectSection ${SecLang_afr}
+            Goto lang_end
+    Albanian: !insertmacro SelectSection ${SecLang_sqi}
+            Goto lang_end
+    Arabic: !insertmacro SelectSection ${SecLang_ara}
+            Goto lang_end
+    ;Assamese: !insertmacro SelectSection ${SecLang_asm}
+    ;        Goto lang_end
+    Azerbaijani: !insertmacro SelectSection ${SecLang_aze}
+            Goto lang_end
+    Basque: !insertmacro SelectSection ${SecLang_eus}
+            Goto lang_end
+    Belarusian: !insertmacro SelectSection ${SecLang_bel}
+            Goto lang_end
+    Bengali: !insertmacro SelectSection ${SecLang_ben}
+            Goto lang_end
+    Bulgarian: !insertmacro SelectSection ${SecLang_bul}
+            Goto lang_end
+    Catalan: !insertmacro SelectSection ${SecLang_cat}
+            Goto lang_end
+    Cherokee: !insertmacro SelectSection ${SecLang_chr}
+            Goto lang_end
+    Chinese_tra: !insertmacro SelectSection ${SecLang_chi_tra}
+            Goto lang_end
+    Chinese_sim: !insertmacro SelectSection ${SecLang_chi_sim}
+            Goto lang_end
+    Croatian: !insertmacro SelectSection ${SecLang_hrv}
+            Goto lang_end
+    Czech: !insertmacro SelectSection ${SecLang_ces}
+            Goto lang_end
+    Danish: !insertmacro SelectSection ${SecLang_dan}
+            Goto lang_end
+    Dutch: !insertmacro SelectSection ${SecLang_nld}
+            Goto lang_end
+    Estonian: !insertmacro SelectSection ${SecLang_hrv}
+            Goto lang_end
+    German: !insertmacro SelectSection ${SecLang_deu}
+            Goto lang_end
+    Greek: !insertmacro SelectSection ${SecLang_ell}
+            !insertmacro SelectSection ${SecLang_grc}
+            Goto lang_end
+    Finnish: !insertmacro SelectSection ${SecLang_fin}
+            !insertmacro SelectSection ${SecLang_frm}
+            Goto lang_end
+    French: !insertmacro SelectSection ${SecLang_fra}
+            Goto lang_end
+    Hebrew: !insertmacro SelectSection ${SecLang_heb}
+            ;!insertmacro SelectSection ${SecLang_heb_com}
+            Goto lang_end
+    Hungarian: !insertmacro SelectSection ${SecLang_hin}
+            Goto lang_end
+    Hindi: !insertmacro SelectSection ${SecLang_hun}
+            Goto lang_end
+    Icelandic: !insertmacro SelectSection ${SecLang_isl}
+            Goto lang_end
+    Indonesian: !insertmacro SelectSection ${SecLang_ind}
+            Goto lang_end
+    Italian: !insertmacro SelectSection ${SecLang_ita}
+            !insertmacro SelectSection ${SecLang_ita_old}
+            Goto lang_end
+    Japanese: !insertmacro SelectSection ${SecLang_jpn}
+            Goto lang_end
+    Kannada: !insertmacro SelectSection ${SecLang_kan}
+            Goto lang_end
+    Korean: !insertmacro SelectSection ${SecLang_kor}
+            Goto lang_end
+    Latvian: !insertmacro SelectSection ${SecLang_lav}
+            Goto lang_end
+    Lithuanian: !insertmacro SelectSection ${SecLang_lit}
+            Goto lang_end
+    Macedonian: !insertmacro SelectSection ${SecLang_mkd}
+            Goto lang_end
+    Malayalam: !insertmacro SelectSection ${SecLang_msa}
+            Goto lang_end
+    Malay: !insertmacro SelectSection ${SecLang_mal}
+            Goto lang_end
+    Maltese: !insertmacro SelectSection ${SecLang_mlt}
+            Goto lang_end
+    Norwegian: !insertmacro SelectSection ${SecLang_nor}
+            Goto lang_end
+    Polish: !insertmacro SelectSection ${SecLang_pol}
+            Goto lang_end
+    Portuguese: !insertmacro SelectSection ${SecLang_por}
+            Goto lang_end
+    Romanian: !insertmacro SelectSection ${SecLang_ron}
+            Goto lang_end
+    Russian: !insertmacro SelectSection ${SecLang_rus}
+            Goto lang_end
+    Slovak: !insertmacro SelectSection ${SecLang_slk}
+            Goto lang_end
+    Slovenian: !insertmacro SelectSection ${SecLang_slv}
+            Goto lang_end
+    Spanish: !insertmacro SelectSection ${SecLang_spa}
+            !insertmacro SelectSection ${SecLang_spa_old}
+            Goto lang_end
+    Serbian: !insertmacro SelectSection ${SecLang_srp}
+            Goto lang_end
+    Swahili: !insertmacro SelectSection ${SecLang_swa}
+            Goto lang_end
+    Swedish: !insertmacro SelectSection ${SecLang_swe}
+            Goto lang_end
+    Tamil: !insertmacro SelectSection ${SecLang_tam}
+            Goto lang_end
+    Telugu: !insertmacro SelectSection ${SecLang_tel}
+            Goto lang_end
+    Thai: !insertmacro SelectSection ${SecLang_tha}
+            Goto lang_end
+    Turkish: !insertmacro SelectSection ${SecLang_tur}
+            Goto lang_end
+    Ukrainian: !insertmacro SelectSection ${SecLang_ukr}
+            Goto lang_end
+    Vietnamese: !insertmacro SelectSection ${SecLang_vie}
+
+    lang_end:
+FunctionEnd
+
+Function un.onInit
+  !insertmacro MUI_LANGDLL_DISPLAY
+  !insertmacro MULTIUSER_UNINIT
+  ;!insertmacro SELECT_UNSECTION Main ${UNSEC0000}
+  ;!insertmacro MUI_UNGETLANGUAGE
+FunctionEnd
+
+Function .onInstFailed
+  MessageBox MB_OK "Installation failed."
+FunctionEnd
+
+!ifdef SHOW_README
+Function ShowReadme
+  Exec '"wordpad" "doc\README.md"'
+  ;BringToFront
+FunctionEnd
+!endif
+
+; Prevent running multiple instances of the installer
+Function PreventMultipleInstances
+  ; TODO: Does not work.
+  Push $R0
+  System::Call 'kernel32::CreateMutexA(i 0, i 0, t ${PRODUCT_NAME}) ?e'
+  Pop $R0
+  StrCmp $R0 0 +3
+    MessageBox MB_OK|MB_ICONEXCLAMATION "The installer is already running." /SD IDOK
+    Abort
+  Pop $R0
+FunctionEnd
diff --git a/nsis/winpath.cpp b/nsis/winpath.cpp
new file mode 100644
index 0000000000..7b8f64e9ea
--- /dev/null
+++ b/nsis/winpath.cpp
@@ -0,0 +1,22 @@
+#include <process.h>    // _spawnvp
+#include <stdlib.h>     // _putenv_s
+#include <string.h>     // strcpy, strcat
+
+static char path[4096];
+
+int main(int argc, char *argv[]) {
+  if (argc > 1) {
+    char *dir = argv[0];
+    char *last = strrchr(dir, '\\');
+    if (last != nullptr) {
+      *last = '\0';
+    }
+    strcpy(path, dir);
+    strcat(path, ";");
+    strcat(path, getenv("PATH"));
+    _putenv_s("PATH", path);
+    _spawnvp(_P_WAIT, argv[1], argv + 1);
+    //~ _spawnvp(_P_OVERLAY, argv[1], argv + 1);
+  }
+  return 0;
+}
\ No newline at end of file
diff --git a/nsis/winpath.exe b/nsis/winpath.exe
new file mode 100755
index 0000000000..428e40e914
Binary files /dev/null and b/nsis/winpath.exe differ
diff --git a/src/ccutil/errcode.h b/src/ccutil/errcode.h
index e23fcbb953..4cd3bdcef7 100644
--- a/src/ccutil/errcode.h
+++ b/src/ccutil/errcode.h
@@ -42,7 +42,7 @@ class TESS_API ERRCODE { // error handler class
       const char *caller,      // function location
       TessErrorLogCode action, // action to take
       const char *format, ...  // fprintf format
-  ) const __attribute__((format(printf, 4, 5)));
+  ) const __attribute__((format(gnu_printf, 4, 5)));
   void error(const char *caller, TessErrorLogCode action) const;
   constexpr ERRCODE(const char *string) : message(string) {} // initialize with string
 };
diff --git a/src/ccutil/tprintf.h b/src/ccutil/tprintf.h
index 574cbbb708..65348b69d5 100644
--- a/src/ccutil/tprintf.h
+++ b/src/ccutil/tprintf.h
@@ -34,7 +34,7 @@ extern TESS_API INT_VAR_H(log_level);
 // Main logging function.
 extern TESS_API void tprintf( // Trace printf
     const char *format, ...)  // Message
-    __attribute__((format(printf, 1, 2)));
+    __attribute__((format(gnu_printf, 1, 2)));
 
 // Get file for debug output.
 FILE *get_debugfp();
diff --git a/src/viewer/scrollview.h b/src/viewer/scrollview.h
index 175483af8e..f225c389f1 100644
--- a/src/viewer/scrollview.h
+++ b/src/viewer/scrollview.h
@@ -298,7 +298,7 @@ class TESS_API ScrollView {
   // ...which can be added by this command.
   // This is intended as an "debug" output window.
   void AddMessage(const char *message);
-  void AddMessageF(const char *format, ...) __attribute__((format(printf, 2, 3)));
+  void AddMessageF(const char *format, ...) __attribute__((format(gnu_printf, 2, 3)));
 
   // Zoom the window to the rectangle given upper left corner and
   // lower right corner.
@@ -311,7 +311,7 @@ class TESS_API ScrollView {
   // this just for fun will likely break your application!
   // It is public so you can actually take use of the LUA functionalities, but
   // be careful!
-  void SendMsg(const char* msg, ...) __attribute__((format(printf, 2, 3)));
+  void SendMsg(const char* msg, ...) __attribute__((format(gnu_printf, 2, 3)));
 
   // Custom messages (manipulating java code directly) can be send through this.
   // Send a message to the server without adding the
diff --git a/tessdata/eng.traineddata b/tessdata/eng.traineddata
new file mode 100644
index 0000000000..bbef467505
Binary files /dev/null and b/tessdata/eng.traineddata differ
diff --git a/tessdata/osd.traineddata b/tessdata/osd.traineddata
new file mode 100644
index 0000000000..527457ca8f
Binary files /dev/null and b/tessdata/osd.traineddata differ