diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 054ee9a6..9d10684a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -85,21 +85,10 @@ add_executable(dlt-viewer
     fileexplorertab.ui
     fileexplorertab.h
     fileexplorertab.cpp
-    applicationdialog.ui
-    contextdialog.ui
-    ecudialog.ui
-    exporterdialog.ui
-    fileexplorertab.ui
-    filterdialog.ui
-    injectiondialog.ui
-    jumptodialog.ui
-    mainwindow.ui
-    multiplecontextdialog.ui
-    plugindialog.ui
 
-    searchform.ui
-    settingsdialog.ui
-    searchdialog.ui
+    applicationdialog.ui contextdialog.ui ecudialog.ui exporterdialog.ui fileexplorertab.ui filterdialog.ui injectiondialog.ui jumptodialog.ui mainwindow.ui multiplecontextdialog.ui plugindialog.ui searchdialog.ui searchform.ui settingsdialog.ui
+    updatechecker.h
+    updatechecker.cpp
 )
 
 target_link_libraries(dlt-viewer
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 347cad6f..de165ad3 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -77,7 +77,7 @@
 #include "qdltctrlmsg.h"
 #include <qdltmsgwrapper.h>
 #include "ecutree.h"
-
+#include "updatechecker.h"
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
@@ -87,6 +87,7 @@ MainWindow::MainWindow(QWidget *parent) :
     pulseButtonColor(255, 40, 40),
     isSearchOngoing(false)
 {
+
     dltIndexer = NULL;
     settings = QDltSettingsManager::getInstance();
     ui->setupUi(this);
@@ -111,7 +112,6 @@ MainWindow::MainWindow(QWidget *parent) :
 
     initFileHandling();
 
-
     /* Commands plugin after loading log file */
     qDebug() << "### Plugin commands after loading log file";
     if(!QDltOptManager::getInstance()->getPostPluginCommands().isEmpty())
@@ -196,6 +196,7 @@ MainWindow::MainWindow(QWidget *parent) :
         qDebug() << "Start minimzed as defined in the settings";
         this->setWindowState(Qt::WindowMinimized);
     }
+
 }
 
 MainWindow::~MainWindow()
@@ -280,6 +281,10 @@ void MainWindow::initState()
     settingsDlg->assertSettingsVersion();
     settingsDlg->readSettings();
 
+    /* Update Checker call for timer to check if there is any new update*/
+    updChecker = new UpdateChecker(this);
+    updChecker->startAutoCheck();
+
     if (QDltSettingsManager::UI_Colour::UI_Dark == QDltSettingsManager::getInstance()->uiColour)
     {
         qApp->setStyle(QStyleFactory::create("Fusion"));
@@ -530,6 +535,7 @@ void MainWindow::initView()
     addFilter->setShortcut((Qt::SHIFT | Qt::CTRL) | Qt::Key_A);
     connect(addFilter, SIGNAL(triggered()), this, SLOT(on_action_menuFilter_Add_triggered()));
     addAction(addFilter);
+
 }
 
 void MainWindow::initSignalConnections()
@@ -843,6 +849,7 @@ void MainWindow::initFileHandling()
             // normally load log file mutithreaded
             reloadLogFile();
     }
+
 }
 
 
@@ -5389,7 +5396,7 @@ void MainWindow::on_actionShortcuts_List_triggered(){
     const QString shortcutCollapseAllECU = "Ctrl+";
     const QString shortcutCopyPayload = "Ctrl + P";
     const QString shortcutInfo = "F1";
-    const QString shortcutQuit = "Ctrl +- Q";
+    const QString shortcutQuit = "Ctrl + Q";
 
     // Store shortcuts dynamically using a list of pairs
     QList<QPair<QString, QString>> shortcutsList = {
@@ -5444,6 +5451,11 @@ void MainWindow::on_actionShortcuts_List_triggered(){
     delete shortcutDialog;
 }
 
+
+void MainWindow::on_actionCheck_For_Latest_Updates_triggered(){
+    updChecker->linkToUrl();
+}
+
 void MainWindow::on_pluginWidget_itemSelectionChanged()
 {
     QList<QTreeWidgetItem *> list = project.plugin->selectedItems();
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 858d227c..75d58333 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -49,6 +49,7 @@
 #include "searchtablemodel.h"
 #include "ui_mainwindow.h"
 #include "searchform.h"
+#include "updatechecker.h"
 
 /**
  * @brief Namespace to contain the toolbar positions.
@@ -162,6 +163,9 @@ class MainWindow : public QMainWindow
     SettingsDialog *settingsDlg;
     QDltSettingsManager *settings;
 
+    /* Update Checker class for automatic pop up for new updates*/
+    UpdateChecker *updChecker;
+
     /* injections */
     QString injectionAplicationId;
     QString injectionContextId;
@@ -460,6 +464,7 @@ private slots:
     void on_action_menuHelp_Info_triggered();
     void on_action_menuHelp_Command_Line_triggered();
     void on_actionShortcuts_List_triggered();
+    void on_actionCheck_For_Latest_Updates_triggered();
 
     // Config methods
     void on_action_menuConfig_Context_Delete_triggered();
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 99ded826..6c08b844 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="focusPolicy">
-   <enum>Qt::NoFocus</enum>
+   <enum>Qt::FocusPolicy::NoFocus</enum>
   </property>
   <property name="windowTitle">
    <string>MainWindow</string>
@@ -21,7 +21,7 @@
     <normaloff>:/icons/png/org.genivi.DLTViewer.png</normaloff>:/icons/png/org.genivi.DLTViewer.png</iconset>
   </property>
   <property name="tabShape">
-   <enum>QTabWidget::Rounded</enum>
+   <enum>QTabWidget::TabShape::Rounded</enum>
   </property>
   <widget class="QWidget" name="centralWidget">
    <layout class="QVBoxLayout" name="verticalLayout">
@@ -45,10 +45,10 @@
        </font>
       </property>
       <property name="contextMenuPolicy">
-       <enum>Qt::CustomContextMenu</enum>
+       <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
       </property>
       <property name="sizeAdjustPolicy">
-       <enum>QAbstractScrollArea::AdjustToContentsOnFirstShow</enum>
+       <enum>QAbstractScrollArea::SizeAdjustPolicy::AdjustToContentsOnFirstShow</enum>
       </property>
       <property name="autoScroll">
        <bool>false</bool>
@@ -60,13 +60,13 @@
        <bool>true</bool>
       </property>
       <property name="selectionMode">
-       <enum>QAbstractItemView::ExtendedSelection</enum>
+       <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
       </property>
       <property name="selectionBehavior">
-       <enum>QAbstractItemView::SelectRows</enum>
+       <enum>QAbstractItemView::SelectionBehavior::SelectRows</enum>
       </property>
       <property name="horizontalScrollMode">
-       <enum>QAbstractItemView::ScrollPerPixel</enum>
+       <enum>QAbstractItemView::ScrollMode::ScrollPerPixel</enum>
       </property>
       <property name="wordWrap">
        <bool>false</bool>
@@ -93,7 +93,7 @@
      <x>0</x>
      <y>0</y>
      <width>1001</width>
-     <height>23</height>
+     <height>26</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -212,6 +212,7 @@
     <addaction name="separator"/>
     <addaction name="action_menuHelp_Command_Line"/>
     <addaction name="actionShortcuts_List"/>
+    <addaction name="actionCheck_For_Latest_Updates"/>
    </widget>
    <widget class="QMenu" name="menuDLT">
     <property name="title">
@@ -311,10 +312,10 @@
   <widget class="QStatusBar" name="statusBar"/>
   <widget class="QDockWidget" name="dockWidgetProject">
    <property name="focusPolicy">
-    <enum>Qt::NoFocus</enum>
+    <enum>Qt::FocusPolicy::NoFocus</enum>
    </property>
    <property name="features">
-    <set>QDockWidget::DockWidgetClosable|QDockWidget::DockWidgetFloatable|QDockWidget::DockWidgetMovable</set>
+    <set>QDockWidget::DockWidgetFeature::DockWidgetClosable|QDockWidget::DockWidgetFeature::DockWidgetFloatable|QDockWidget::DockWidgetFeature::DockWidgetMovable</set>
    </property>
    <property name="windowTitle">
     <string>Project</string>
@@ -324,7 +325,7 @@
    </attribute>
    <widget class="QWidget" name="dockWidgetContents">
     <property name="focusPolicy">
-     <enum>Qt::NoFocus</enum>
+     <enum>Qt::FocusPolicy::NoFocus</enum>
     </property>
     <layout class="QVBoxLayout" name="verticalLayout_2">
      <property name="leftMargin">
@@ -342,10 +343,10 @@
      <item>
       <widget class="QFrame" name="enableConfigFrame">
        <property name="frameShape">
-        <enum>QFrame::NoFrame</enum>
+        <enum>QFrame::Shape::NoFrame</enum>
        </property>
        <property name="frameShadow">
-        <enum>QFrame::Plain</enum>
+        <enum>QFrame::Shadow::Plain</enum>
        </property>
        <layout class="QGridLayout" name="gridLayout">
         <item row="2" column="1">
@@ -439,26 +440,26 @@
         <bool>true</bool>
        </property>
        <property name="focusPolicy">
-        <enum>Qt::TabFocus</enum>
+        <enum>Qt::FocusPolicy::TabFocus</enum>
        </property>
        <property name="tabPosition">
-        <enum>QTabWidget::South</enum>
+        <enum>QTabWidget::TabPosition::South</enum>
        </property>
        <property name="tabShape">
-        <enum>QTabWidget::Rounded</enum>
+        <enum>QTabWidget::TabShape::Rounded</enum>
        </property>
        <property name="currentIndex">
         <number>0</number>
        </property>
        <property name="elideMode">
-        <enum>Qt::ElideNone</enum>
+        <enum>Qt::TextElideMode::ElideNone</enum>
        </property>
        <property name="movable">
         <bool>false</bool>
        </property>
        <widget class="FileExplorerTab" name="tabExplore">
         <property name="focusPolicy">
-         <enum>Qt::NoFocus</enum>
+         <enum>Qt::FocusPolicy::NoFocus</enum>
         </property>
         <attribute name="title">
          <string>Explore</string>
@@ -480,7 +481,7 @@
        </widget>
        <widget class="QWidget" name="tabConfig">
         <property name="focusPolicy">
-         <enum>Qt::NoFocus</enum>
+         <enum>Qt::FocusPolicy::NoFocus</enum>
         </property>
         <attribute name="title">
          <string>Config</string>
@@ -501,19 +502,19 @@
          <item>
           <widget class="QTreeWidget" name="configWidget">
            <property name="focusPolicy">
-            <enum>Qt::TabFocus</enum>
+            <enum>Qt::FocusPolicy::TabFocus</enum>
            </property>
            <property name="contextMenuPolicy">
-            <enum>Qt::CustomContextMenu</enum>
+            <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
            </property>
            <property name="tabKeyNavigation">
             <bool>true</bool>
            </property>
            <property name="selectionMode">
-            <enum>QAbstractItemView::ExtendedSelection</enum>
+            <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
            </property>
            <property name="selectionBehavior">
-            <enum>QAbstractItemView::SelectRows</enum>
+            <enum>QAbstractItemView::SelectionBehavior::SelectRows</enum>
            </property>
            <property name="rootIsDecorated">
             <bool>true</bool>
@@ -574,7 +575,7 @@
          <item>
           <widget class="PluginTreeWidget" name="pluginWidget">
            <property name="contextMenuPolicy">
-            <enum>Qt::CustomContextMenu</enum>
+            <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
            </property>
            <property name="tabKeyNavigation">
             <bool>true</bool>
@@ -690,7 +691,7 @@
             </sizepolicy>
            </property>
            <property name="contextMenuPolicy">
-            <enum>Qt::CustomContextMenu</enum>
+            <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
            </property>
            <property name="acceptDrops">
             <bool>true</bool>
@@ -699,13 +700,13 @@
             <bool>true</bool>
            </property>
            <property name="dragDropMode">
-            <enum>QAbstractItemView::InternalMove</enum>
+            <enum>QAbstractItemView::DragDropMode::InternalMove</enum>
            </property>
            <property name="defaultDropAction">
-            <enum>Qt::MoveAction</enum>
+            <enum>Qt::DropAction::MoveAction</enum>
            </property>
            <property name="selectionMode">
-            <enum>QAbstractItemView::ExtendedSelection</enum>
+            <enum>QAbstractItemView::SelectionMode::ExtendedSelection</enum>
            </property>
            <property name="rootIsDecorated">
             <bool>false</bool>
@@ -782,7 +783,7 @@
         </font>
        </property>
        <property name="contextMenuPolicy">
-        <enum>Qt::CustomContextMenu</enum>
+        <enum>Qt::ContextMenuPolicy::CustomContextMenu</enum>
        </property>
        <property name="tabKeyNavigation">
         <bool>false</bool>
@@ -1606,6 +1607,11 @@
     <string>Shortcuts List</string>
    </property>
   </action>
+  <action name="actionCheck_For_Latest_Updates">
+   <property name="text">
+    <string>Check For Latest Updates</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <customwidgets>
diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 151a6e0d..bd400a45 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -43,6 +43,8 @@
  #define DAYLIGHT daylight
 #endif
 
+// Define default update check interval in months
+static const int DEFAULT_UPDATE_CHECK_MONTHS = 3;
 
 SettingsDialog::SettingsDialog(QDltFile *_qFile, QWidget *parent):
 
@@ -120,6 +122,38 @@ SettingsDialog::SettingsDialog(QDltFile *_qFile, QWidget *parent):
     QDltSettingsManager *settings = QDltSettingsManager::getInstance();
     settings->fmaxFileSizeMB = 0.0;
     settings->appendDateTime = 0;
+
+    loadUpdateSettings();
+
+    // Enable/disable spinbox based on selected radio button
+    connect(ui->defaultRadioButton, &QRadioButton::toggled, this, [=](bool checked){
+        if (checked) {
+            ui->intervalspinBox->setEnabled(false);
+        }
+    });
+
+    connect(ui->customRadioButton, &QRadioButton::toggled, this, [=](bool checked){
+        if (checked) {
+            ui->intervalspinBox->setEnabled(true);
+            ui->intervalUnit->setEnabled(true);
+        }
+    });
+
+    connect(ui->defaultRadioButton, &QRadioButton::clicked, this, [=](){
+        emit intervalModeChanged(false, 2);   // Default mode → 2 minutes
+    });
+
+    connect(ui->customRadioButton, &QRadioButton::clicked, this, [=](){
+        emit intervalModeChanged(true, ui->intervalspinBox->value());
+    });
+
+    connect(ui->intervalspinBox, qOverload<int>(&QSpinBox::valueChanged),
+            this, [=](int val){
+                if (ui->customRadioButton->isChecked()) {
+                    emit intervalModeChanged(true, val);
+                }
+            });
+
 }
 
 SettingsDialog::SettingsDialog(QWidget *parent) :
@@ -134,6 +168,31 @@ SettingsDialog::~SettingsDialog()
     delete ui;
 }
 
+void SettingsDialog::loadUpdateSettings()
+{
+    QSettings settings("MyCompany", "DLTViewer");
+
+    bool isCustom = settings.value("updateCheck/useCustom", false).toBool();
+    int interval = settings.value("updateCheck/customMonths", DEFAULT_UPDATE_CHECK_MONTHS).toInt();
+
+    if (isCustom)
+        ui->customRadioButton->setChecked(true);
+    else
+        ui->defaultRadioButton->setChecked(true);
+
+    ui->intervalspinBox->setEnabled(isCustom);
+    ui->intervalspinBox->setValue(interval);
+
+}
+
+void SettingsDialog::saveUpdateSettings()
+{
+    QSettings settings("MyCompany", "DLTViewer");
+
+    settings.setValue("updateCheck/useCustom", ui->customRadioButton->isChecked());
+    settings.setValue("updateCheck/customMonths", ui->intervalspinBox->value());
+}
+
 void SettingsDialog::changeEvent(QEvent *e)
 {
     QDialog::changeEvent(e);
@@ -489,6 +548,7 @@ void SettingsDialog::readDlg()
                            QMessageBox::Ok);
         msgBox.exec();
     }
+    saveUpdateSettings();
 }
 
 void SettingsDialog::writeSettings(QMainWindow *mainwindow)
diff --git a/src/settingsdialog.h b/src/settingsdialog.h
index 5486d71a..44bf4766 100644
--- a/src/settingsdialog.h
+++ b/src/settingsdialog.h
@@ -28,6 +28,9 @@
 
 #define AUTOCONNECT_DEFAULT_TIME 1000 // in ms
 
+// Define default update check interval in months
+static const int DEFAULT_UPDATE_CHECK_MONTHS = 3;
+
 namespace Ui {
     class SettingsDialog;
 }
@@ -57,9 +60,13 @@ class SettingsDialog : public QDialog {
     QStringList getRecentFilters();
     QString getWorkingDirectory();
 
+    void loadUpdateSettings();
+    void saveUpdateSettings();
+
 Q_SIGNALS:
     void FilterPathChanged();
     void PluginsAutoloadChanged();
+    void intervalModeChanged(bool isCustom, int minutes);
 
 protected:
     void changeEvent(QEvent *e);
@@ -87,6 +94,7 @@ private slots:
     void on_checkBoxPluginsAutoload_stateChanged(int arg1);
     void on_pushButtonMarkerColor_clicked();
     void on_pushButtonSelectFont_clicked();
+
 };
 
 #endif // SETTINGSDIALOG_H
diff --git a/src/settingsdialog.ui b/src/settingsdialog.ui
index 6661aeb0..1ec8f201 100644
--- a/src/settingsdialog.ui
+++ b/src/settingsdialog.ui
@@ -19,19 +19,9 @@
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="2" column="0">
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Orientation::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::StandardButton::Cancel|QDialogButtonBox::StandardButton::Ok</set>
-     </property>
-    </widget>
-   </item>
-   <item row="0" column="0">
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
-      <number>0</number>
+      <number>2</number>
      </property>
      <widget class="QWidget" name="tab_1">
       <attribute name="title">
@@ -1005,9 +995,9 @@
        <property name="geometry">
         <rect>
          <x>10</x>
-         <y>400</y>
+         <y>390</y>
          <width>571</width>
-         <height>241</height>
+         <height>231</height>
         </rect>
        </property>
        <property name="title">
@@ -1185,6 +1175,87 @@
         </layout>
        </widget>
       </widget>
+      <widget class="QGroupBox" name="groupBox_4">
+       <property name="geometry">
+        <rect>
+         <x>10</x>
+         <y>630</y>
+         <width>561</width>
+         <height>80</height>
+        </rect>
+       </property>
+       <property name="title">
+        <string>DLT Viewer Latest Update</string>
+       </property>
+       <widget class="QRadioButton" name="defaultRadioButton">
+        <property name="geometry">
+         <rect>
+          <x>30</x>
+          <y>30</y>
+          <width>121</width>
+          <height>24</height>
+         </rect>
+        </property>
+        <property name="text">
+         <string>Default</string>
+        </property>
+       </widget>
+       <widget class="QRadioButton" name="customRadioButton">
+        <property name="geometry">
+         <rect>
+          <x>200</x>
+          <y>30</y>
+          <width>121</width>
+          <height>24</height>
+         </rect>
+        </property>
+        <property name="text">
+         <string>Custom</string>
+        </property>
+       </widget>
+       <widget class="QSpinBox" name="intervalspinBox">
+        <property name="geometry">
+         <rect>
+          <x>290</x>
+          <y>30</y>
+          <width>51</width>
+          <height>26</height>
+         </rect>
+        </property>
+        <property name="minimum">
+         <number>1</number>
+        </property>
+       </widget>
+       <widget class="QLabel" name="intervalUnit">
+        <property name="geometry">
+         <rect>
+          <x>340</x>
+          <y>30</y>
+          <width>63</width>
+          <height>20</height>
+         </rect>
+        </property>
+        <property name="text">
+         <string>month</string>
+        </property>
+       </widget>
+      </widget>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="geometry">
+        <rect>
+         <x>0</x>
+         <y>720</y>
+         <width>591</width>
+         <height>29</height>
+        </rect>
+       </property>
+       <property name="orientation">
+        <enum>Qt::Orientation::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::StandardButton::Cancel|QDialogButtonBox::StandardButton::Ok</set>
+       </property>
+      </widget>
      </widget>
      <widget class="QWidget" name="tab_2">
       <attribute name="title">
@@ -1234,7 +1305,6 @@
   </layout>
  </widget>
  <tabstops>
-  <tabstop>tabWidget</tabstop>
   <tabstop>radioButtonUseTemp</tabstop>
   <tabstop>lineEditSystemTemp</tabstop>
   <tabstop>radioButtonSelectTemp</tabstop>
diff --git a/src/updatechecker.cpp b/src/updatechecker.cpp
new file mode 100644
index 00000000..18f54c19
--- /dev/null
+++ b/src/updatechecker.cpp
@@ -0,0 +1,216 @@
+ #include <qtimer.h>
+#include <updatechecker.h>
+#include <version.h>
+
+#include <QDebug>
+#include <QUrl>
+#include <QDesktopServices>
+#include <QMessageBox>
+#include <QPushButton>
+#include <QNetworkAccessManager> // To send HTTP GET requests
+#include <QNetworkRequest>       // To create a request
+#include <QNetworkReply>         // To handle the network response
+#include <QRegularExpression>
+#include <QSettings>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+UpdateChecker::UpdateChecker(QObject *parent)
+    : QObject(parent),
+      updateTimer(nullptr),
+      manager(new QNetworkAccessManager(this))
+{
+}
+
+void UpdateChecker::linkToUrl(){
+    qDebug() << "Update check called";
+
+    QString currentVersion = PACKAGE_VERSION;
+    QNetworkRequest request(QUrl("https://api.github.com/repos/COVESA/dlt-viewer/releases/latest"));
+    QNetworkReply *reply = manager->get(request);
+
+    connect(reply, &QNetworkReply::finished, this, [=]() {
+        if (reply->error() != QNetworkReply::NoError) {
+            qDebug() << "Failed to fetch version info:" << reply->errorString();
+            reply->deleteLater();
+            return;
+        }
+
+        QString response = reply->readAll();
+        reply->deleteLater();
+
+        QRegularExpression re(R"((\d+\.\d+(\.\d+)?))");
+        QRegularExpressionMatch match = re.match(response);
+        QString latestVersion = match.hasMatch() ? match.captured(1) : "";
+
+        qDebug() << "Current Version:" << currentVersion;
+        qDebug() << "Latest Version:" << latestVersion;
+
+               // Compare versions
+        if (isNewerVersion(latestVersion, currentVersion)) {
+            showUpdatePopup(currentVersion, latestVersion);
+        } else {
+            showNoUpdatePopup();
+        }
+
+        reply->deleteLater();
+    });
+
+}
+
+QDateTime UpdateChecker::getLastCheckTime()
+{
+    QSettings s("MyCompany", "DLTViewer");
+    return s.value("updateCheck/lastCheck").toDateTime();
+}
+
+void UpdateChecker::updateLastCheckTime()
+{
+
+    QDateTime now = QDateTime::currentDateTime();
+    qDebug() << "[UpdateTime] Saving last check time:" << now.toString();
+
+    QSettings s("MyCompany", "DLTViewer");
+    s.setValue("updateCheck/lastCheck", QDateTime::currentDateTime());
+}
+
+// interval: default = 3 months
+bool UpdateChecker::isIntervalPassed()
+{
+    QSettings s("MyCompany", "DLTViewer");
+
+    bool useCustom = s.value("updateCheck/useCustom", false).toBool();
+    int customMonths = s.value("updateCheck/customMonths", DEFAULT_UPDATE_CHECK_MONTHS).toInt();
+    int months = useCustom ? customMonths : DEFAULT_UPDATE_CHECK_MONTHS;
+
+    QDateTime last = getLastCheckTime();
+
+    qDebug() << "[IntervalCheck] Custom?" << useCustom
+             << "Months =" << months;
+
+    if (!last.isValid()){
+
+        qDebug() << "[IntervalCheck] No last check found → FIRST RUN → PASS";
+        return true;
+    }
+
+    bool passed = last.addMonths(months) <= QDateTime::currentDateTime();
+    qDebug() << "[IntervalCheck] Interval Passed =" << passed;
+
+    return passed;
+}
+
+// Start auto-check timer
+void UpdateChecker::startAutoCheck()
+{
+    QSettings s("MyCompany", "DLTViewer");
+
+    bool useCustom = s.value("updateCheck/useCustom", false).toBool();
+    int minutes = s.value("updateCheck/customMinutes", 2).toInt();
+
+    if (!useCustom)
+        minutes = 120;
+
+    qDebug() << "[AutoCheck] Starting auto update timer every" << minutes << "minutes";
+
+    if (!updateTimer) {
+        updateTimer = new QTimer(this);
+        connect(updateTimer, &QTimer::timeout, this, &UpdateChecker::checkForUpdates);
+    }
+
+    updateTimer->start(minutes * 60 * 1000);
+}
+
+void UpdateChecker::checkForUpdates()
+{
+    if (!isIntervalPassed()) {
+        qDebug() << "Interval not passed. Skipping update check.";
+        return;
+    }
+
+    QString currentVersion = PACKAGE_VERSION;
+    QNetworkRequest request(QUrl("https://api.github.com/repos/COVESA/dlt-viewer/releases/latest"));
+
+    // Add GitHub-required header
+    request.setRawHeader("User-Agent", "QtApp");
+
+    QNetworkReply *reply = manager->get(request);
+
+    connect(reply, &QNetworkReply::finished, this, [=]() {
+
+        qDebug() << "[Network] Reply received";
+
+        updateLastCheckTime();
+
+        if (reply->error() != QNetworkReply::NoError) {
+            qDebug() << "Failed to fetch version info:" << reply->errorString();
+            reply->deleteLater();
+            return;
+        }
+
+        QString jsonResponse = reply->readAll();
+        qDebug() << "[Network] JSON Received =" << jsonResponse.left(200) << "...";
+        reply->deleteLater();
+
+               // Parse JSON
+        QJsonDocument doc = QJsonDocument::fromJson(jsonResponse.toUtf8());
+        QJsonObject obj = doc.object();
+
+        QString tag = obj["tag_name"].toString();   // Example: "v3.35.0"
+        QString latestVersion = tag.startsWith('v') ? tag.mid(1) : tag;
+
+        QString releaseUrl = obj["html_url"].toString();
+
+        qDebug() << "Current Version:" << currentVersion;
+        qDebug() << "Latest Version:" << latestVersion;
+        qDebug() << "Release URL:" << releaseUrl;
+
+        if (isNewerVersion(latestVersion, currentVersion)) {
+            showUpdatePopup(currentVersion, latestVersion);   // You can open releaseUrl here
+        } else {
+            qDebug() << "No Latest Version available for DLT Viewer";
+            // showNoUpdatePopup();
+        }
+    });
+}
+
+// Version comparison
+bool UpdateChecker::isNewerVersion(const QString &latest, const QString &current)
+{
+    QStringList l = latest.split(".");
+    QStringList c = current.split(".");
+
+    for (int i = 0; i < qMax(l.size(), c.size()); ++i) {
+        int latestVersion = (i < l.size()) ? l[i].toInt() : 0;
+        int currentVersion = (i < c.size()) ? c[i].toInt() : 0;
+
+        if (latestVersion > currentVersion) return true;
+        if (latestVersion < currentVersion) return false;
+    }
+    return false;
+}
+
+// Popups
+void UpdateChecker::showUpdatePopup(const QString &current, const QString &latest)
+{
+    QMessageBox msg;
+    msg.setWindowTitle("Update Available");
+    msg.setText(QString("Current Version: %1\nAvailable Version: %2")
+                    .arg(current, latest));
+
+    QPushButton *updateBtn = msg.addButton("Update Now", QMessageBox::AcceptRole);
+    msg.addButton("Ignore", QMessageBox::RejectRole);
+
+    msg.exec();
+
+    if (msg.clickedButton() == updateBtn) {
+        QDesktopServices::openUrl(QUrl("https://github.com/COVESA/dlt-viewer/releases/latest"));
+    }
+}
+
+void UpdateChecker::showNoUpdatePopup()
+{
+    QMessageBox::information(nullptr,
+                             "No Updates",
+                             "No recent updates available.");
+}
diff --git a/src/updatechecker.h b/src/updatechecker.h
new file mode 100644
index 00000000..1c4de50f
--- /dev/null
+++ b/src/updatechecker.h
@@ -0,0 +1,35 @@
+#ifndef UPDATECHECKER_H
+#define UPDATECHECKER_H
+
+#include <QObject>
+#include <QNetworkAccessManager>
+#include <settingsdialog.h>
+
+class UpdateChecker : public QObject
+{
+    Q_OBJECT
+
+  public:
+    explicit UpdateChecker(QObject *parent = nullptr);
+
+    void startAutoCheck();
+    void checkForUpdates();
+    void linkToUrl();
+
+  private:
+    void showUpdatePopup(const QString &current, const QString &latest);
+    void showNoUpdatePopup();
+    bool isNewerVersion(const QString &latest, const QString &current);
+
+  private:
+    QTimer *updateTimer;
+    QNetworkAccessManager *manager;
+
+           // used for 3-month interval logic
+    void updateLastCheckTime();
+    QDateTime getLastCheckTime();
+    bool isIntervalPassed();
+
+};
+
+#endif // UPDATECHECKER_H