diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e670e8f0f..62a5ccf66 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -15,6 +15,7 @@ env:
   QT_VERSION: 6.7.2
   QUCS_MACOS_BIN: build/qucs/qucs-s.app/Contents/MacOS/bin
   QUCS_MACOS_RESOURCES: build/qucs/qucs-s.app/Contents/MacOS/share/qucs-s
+  NGSPICE_URL: https://downloads.sourceforge.net/project/ngspice/ng-spice-rework/43/ngspice-43_64.7z
   
 jobs:
   setup:
@@ -52,35 +53,45 @@ jobs:
     - name: Install Dependencies
       run: |
           sudo apt-get update
-          sudo apt-get install -y qt6-base-dev qt6-tools-dev qt6-tools-dev-tools libglx-dev linguist-qt6 qt6-l10n-tools libqt6svg6-dev libgl1-mesa-dev
-          sudo apt-get install -y flex bison gperf dos2unix
-    - name: Configure CMake
-      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_INSTALL_PREFIX=/usr -DWITH_QT6=ON
-
-    - name: Build
+          sudo apt-get install -y libglx-dev libgl1-mesa-dev flex bison gperf dos2unix flex bison gperf dos2unix
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 100 --slave /usr/bin/g++ g++ /usr/bin/g++-12
+
+    - name: 'Install Qt6'
+      uses: jurplel/install-qt-action@v4
+      with:
+        version: '6.7.2'
+        host: 'linux'
+        target: 'desktop'
+        cache: true
+        arch: 'linux_gcc_64'
+        install-deps: 'true'
+
+        
+    - name: 'Configure CMake'
+      run: |
+          cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_INSTALL_PREFIX=/usr -DWITH_QT6=ON
+
+    - name: 'Build'
       # Build your program with the given configuration
       run: |
           cmake --build ${{github.workspace}}/build -j`nproc` --config ${{env.BUILD_TYPE}}
           make -C ${{github.workspace}}/build install DESTDIR=${{github.workspace}}/AppDir
 
       
-    - name: Install linuxdeploy
+    - name: 'Install linuxdeploy'
       run: |
-          wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
-          wget https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage
+          wget -q --tries=3 --wait=5 https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
+          wget -q --tries=3 --wait=5 https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage
           sudo apt-get install fuse libfuse2
           chmod +x linuxdeploy-x86_64.AppImage
           chmod +x linuxdeploy-plugin-qt-x86_64.AppImage
     
     - name: 'Create AppImage'
       run: |
-             export QMAKE=/usr/bin/qmake6
-             ./linuxdeploy-x86_64.AppImage --appdir ${{github.workspace}}/AppDir --desktop-file=${{github.workspace}}/AppDir/usr/share/applications/qucs-s.desktop --icon-file=${{github.workspace}}/AppDir/usr/share/icons/hicolor/256x256/apps/qucs-s.png --plugin=qt --output appimage
-             rm linuxdeploy-x86_64.AppImage
-             rm linuxdeploy-plugin-qt-x86_64.AppImage
-             mv *.AppImage ${{ env.APP_NAME }}-${{env.VERSION}}-linux-x86_64.AppImage
+          ./linuxdeploy-x86_64.AppImage --appdir ${{github.workspace}}/AppDir --desktop-file=${{github.workspace}}/AppDir/usr/share/applications/qucs-s.desktop --icon-file=${{github.workspace}}/AppDir/usr/share/icons/hicolor/256x256/apps/qucs-s.png --plugin=qt --output appimage
+          rm linuxdeploy-x86_64.AppImage
+          rm linuxdeploy-plugin-qt-x86_64.AppImage
+          mv *.AppImage ${{ env.APP_NAME }}-${{env.VERSION}}-linux-x86_64.AppImage
 
     - name: 'Upload artifact: AppImage'
       uses: actions/upload-artifact@v4
@@ -131,7 +142,7 @@ jobs:
           
     - name: 'Configure CMake'
       run: |
-        qt-cmake -B ${{github.workspace}}/build  -G 'Ninja' \
+            cmake -B ${{github.workspace}}/build  -G 'Ninja' \
                   -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DWITH_QT6=1 \
                   -DCMAKE_OSX_DEPLOYMENT_TARGET=10.14 \
                   -DCMAKE_OSX_ARCHITECTURES="x86_64"
@@ -281,9 +292,7 @@ jobs:
     needs: setup
     strategy:
       fail-fast: false
-      matrix:
-        environment:
-          - ucrt64
+      
     defaults:
       run:
         shell: msys2 {0}
@@ -311,7 +320,7 @@ jobs:
     - name: Set up MSYS2 environment
       uses: msys2/setup-msys2@v2
       with:
-        msystem: ${{ matrix.environment }}
+        msystem: ucrt64
         cache: true
         update: true
         install: >-
@@ -320,7 +329,7 @@ jobs:
           dos2unix
           curl
           zip
-          unzip
+          p7zip
         pacboy: >-
           cmake:p 
           gcc:p 
@@ -353,22 +362,37 @@ jobs:
         windeployqt-qt6.exe build/qucs-suite/bin/qucs-sfilter.exe  --no-translations 
         windeployqt-qt6.exe build/qucs-suite/bin/qucs-spowercombining.exe  --no-translations 
         windeployqt-qt6.exe build/qucs-suite/bin/qucs-strans.exe  --no-translations
-
+        
     - name: Copy non-Qt DLLs to bin directory
       run: |
         shopt -s extglob
-        FILES=$(ldd build/qucs-suite/bin/qucs-s.exe | awk '($3 ~ /\/${{ matrix.environment }}\/bin\//) {print $3}')
+        FILES=$(ldd build/qucs-suite/bin/qucs-s.exe | awk '($3 ~ /\/ucrt64\/bin\//) {print $3}')
         for file in $FILES; do
           if [[ $(basename "$file") != Qt6* ]]; then
             cp -r "$file" build/qucs-suite/bin
           fi
         done
+        
+    - name: Add ngspice to release
+      run: |
+        curl -sL --retry 3 --retry-delay 5 -o ngspice.7z ${{ env.NGSPICE_URL }}
+        7z x ngspice.7z -ongspice
+        mkdir -p build/qucs-suite/lib/ngspice
+        cp -rf ngspice/Spice64/bin/ build/qucs-suite
+        cp -rf ngspice/Spice64/lib/ build/qucs-suite
             
     - name: Create zip archive for release
       run: |
+        mkdir -p build/qucs-suite/misc
+        cp -rf contrib/InnoSetup/misc build/qucs-suite/
         cd build/qucs-suite
-        zip -r ../../${{ env.APP_NAME }}-${{ env.VERSION }}-win64.zip ./bin ./share
+        zip -r ../../${{ env.APP_NAME }}-${{ env.VERSION }}-win64.zip ./bin ./share ./lib ./misc
         cd ../..
+
+    - name: Compile .ISS to .EXE Installer
+      uses: Minionguyjpro/Inno-Setup-Action@v1.2.4
+      with:
+        path: contrib/InnoSetup/qucs.iss
         
     - name: Upload build artifacts
       uses: actions/upload-artifact@v4
@@ -376,6 +400,12 @@ jobs:
         name: ${{ env.APP_NAME }}-${{ env.VERSION }}-win64
         path: ${{ env.APP_NAME }}-${{ env.VERSION }}-win64.zip
 
+    - name: Upload exe artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: qucs-s-24.3.0-setup
+        path: contrib\InnoSetup\Output\qucs-s-24.3.0-setup.exe
+
   create-release:
     runs-on: ubuntu-latest
     if: github.event_name == 'push'
@@ -416,13 +446,15 @@ jobs:
       continue-on-error: true
       run: |
         # Find existing zip and dmg files
+        exe_files=$(find ~/artifacts -name "*.exe" -print0 | xargs -0 echo)
         zip_files=$(find ~/artifacts -name "*.zip" -print0 | xargs -0 echo)
         dmg_files=$(find ~/artifacts -name "*.dmg" -print0 | xargs -0 echo)
         appimage_files=$(find ~/artifacts -name "*.AppImage" -print0 | xargs -0 echo)
         
         # Create release only if there are files to upload
-        if [ -n "$zip_files" ] || [ -n "$dmg_files" ] || [ -n "$appimage_files" ]; then
+        if [ -n "$exe_files" ] || [ -n "$zip_files" ] || [ -n "$dmg_files" ] || [ -n "$appimage_files" ]; then
           gh release create continuous_build \
+            $exe_files \
             $zip_files \
             $dmg_files \
             $appimage_files \
diff --git a/contrib/InnoSetup/qucs.iss b/contrib/InnoSetup/qucs.iss
index 421415662..0ae83db97 100755
--- a/contrib/InnoSetup/qucs.iss
+++ b/contrib/InnoSetup/qucs.iss
@@ -26,7 +26,7 @@
 #define APPNAME "Qucs-S"
 #define APPVERNAME "Quite Universal Circuit Simulator 24.3.0"
 #define URL "https://ra3xdh.github.io/"
-#define TREE "c:\msys64\home\vvk\qucs_s_win64\"
+
 
 [Setup]
 AppName={# APPNAME}
@@ -38,12 +38,13 @@ AppUpdatesURL={# URL}
 DefaultDirName={pf}\Qucs-S
 DefaultGroupName=Qucs-S
 AllowNoIcons=yes
-LicenseFile={# TREE}\misc\gpl.rtf
+LicenseFile=.\misc\gpl.rtf
 OutputBaseFilename={# BASENAME}-{# RELEASE}-setup
 Compression=lzma
 SolidCompression=yes
 ChangesEnvironment=yes
 UsePreviousAppDir=yes
+WizardStyle=modern
 
 ; [Registry]
 ; Root: HKLM; Subkey: SYSTEM\CurrentControlSet\Control\Session Manager\Environment; ValueType: string; ValueName: QUCSDIR; ValueData: "{app}"; Flags: deletevalue createvalueifdoesntexist noerror; MinVersion: 0,4.00.1381
@@ -52,12 +53,12 @@ UsePreviousAppDir=yes
 Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
 
 [Files]
-Source: "{# TREE}\bin\*"; DestDir: "{app}\bin"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "..\..\build\qucs-suite\bin\*"; DestDir: "{app}\bin"; Flags: ignoreversion recursesubdirs createallsubdirs
 ; Source: "{# TREE}\include\*"; DestDir: "{app}\include"; Flags: ignoreversion recursesubdirs createallsubdirs
 ; Source: "{# TREE}\lib\*"; DestDir: "{app}\lib"; Flags: ignoreversion recursesubdirs createallsubdirs
-Source: "{# TREE}\misc\*"; DestDir: "{app}\misc"; Flags: ignoreversion recursesubdirs createallsubdirs
-Source: "{# TREE}\lib\*"; DestDir: "{app}\lib"; Flags: ignoreversion recursesubdirs createallsubdirs
-Source: "{# TREE}\share\*"; DestDir: "{app}\share"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: ".\misc\*"; DestDir: "{app}\misc"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "..\..\build\qucs-suite\lib\*"; DestDir: "{app}\lib"; Flags: ignoreversion recursesubdirs createallsubdirs
+Source: "..\..\build\qucs-suite\share\*"; DestDir: "{app}\share"; Flags: ignoreversion recursesubdirs createallsubdirs
 
 [Icons]
 Name: "{group}\Qucs-S Simulator"; Filename: "{app}\bin\qucs-s.exe"; IconFilename: "{app}\misc\qucs64x64.ico"; WorkingDir: "{app}\bin"