diff --git a/Gemfile b/Gemfile
index 775f515c..206bf0c4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,8 +16,9 @@ gem 'activeadmin'
 gem 'devise'
 gem 'figaro'
 gem 'jbuilder', '~> 2.0'
-gem 'pg', '~> 0.21'
-gem 'puma', '>= 3.12.4'
+gem 'pg', '~> 0.21' if RUBY_PLATFORM !~ /mingw32/
+gem 'pg', '~> 1.4' if RUBY_PLATFORM =~ /mingw32/
+gem "puma", ">= 3.12.4"
 gem 'rails', '~> 5.2.5'
 gem 'redis'
 
@@ -45,7 +46,7 @@ gem 'httparty'
 # for api pagination
 gem 'kaminari'
 
-gem 'mini_racer'
+gem 'mini_racer' if RUBY_PLATFORM !~ /mingw32/ # Too many problems, is it even needed?
 
 group :development do
   gem 'letter_opener'
@@ -66,7 +67,7 @@ group :development, :test do
   gem 'rack-mini-profiler'
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
-  gem 'stackprof'
+  gem 'stackprof' if RUBY_PLATFORM !~ /mingw32/ # Not supported on Microsoft Windows
   gem 'database_cleaner-active_record'
   gem 'factory_bot_rails'
   gem 'faker'
@@ -78,10 +79,15 @@ group :development, :test do
   gem 'capybara'
 end
 
-gem 'sentry-ruby'
-gem 'sentry-rails'
+gem "sentry-ruby"
+gem "sentry-rails"
 gem 'grape', '~> 1.7'
 gem 'grape-entity'
 gem 'grape_on_rails_routes'
 gem 'rack-cors'
 gem 'uuidtools', '~> 2.1', '>= 2.1.5'
+
+gem 'sys-proctable', :platforms => :mswin
+gem 'fast_stack', :platforms => :mswin
+gem 'wdm', '>= 0.1.0', :platforms => :mswin
+gem 'tzinfo-data', :platforms => :mswin
diff --git a/QUICKSTART.md b/QUICKSTART.md
index 143fbcfc..b299091e 100644
--- a/QUICKSTART.md
+++ b/QUICKSTART.md
@@ -12,6 +12,8 @@ macOS run `sh INSTALL_mac.sh`.
 
 ## Manual environment setup
 
+If you are using Microsoft Windows, download Ruby [here](https://github.com/oneclick/rubyinstaller2/releases/download/RubyInstaller-2.7.2-1/rubyinstaller-devkit-2.7.2-1-x64.exe).
+
 ### Install Ruby with [Rbenv](https://github.com/rbenv/rbenv)
 
 (shamelessly copied from Rbenv doc)
@@ -82,7 +84,9 @@ Install Rails, Postgres, Yarn, etc
     echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
     sudo apt update && sudo apt install yarn
 
-In your code directory run:
+If you are using Windows, install node.js [here](https://nodejs.org/dist/v18.16.0/node-v18.16.0-x64.msi) (comes with Yarn) and PostgreSQL [here](https://sbp.enterprisedb.com/getfile.jsp?fileid=1258422). Install Ruby on Rails by running `gem install rails` on the command line.
+
+In your code directory run (if you are using Windows, do not run the `rbenv` commands):
 
     git clone https://github.com/tosdr/edit.tosdr.org
     cd edit.tosdr.org