diff --git a/.github/workflows/build-chat.yml b/.github/workflows/build-chat.yml
index 084da4be..28a80651 100644
--- a/.github/workflows/build-chat.yml
+++ b/.github/workflows/build-chat.yml
@@ -14,31 +14,17 @@ jobs:
           fetch_depth: 0
           submodules: true
       - name: Install QT
-        uses: jurplel/install-qt-action@v4
-        with:
-          version: '5.15.11'
-          host: 'windows'
-          target: 'desktop'
-          arch: 'win64_msvc2013_64'
-          dir: '${{ github.workspace }}/Qt'
-          cache: true
-          tools: 'qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.win64_msvc2019_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver'
-          set-env: 'true'
-          tools-only: 'false'
+        run: |
+            Invoke-WebRequest -Uri https://gpt4all.io/ci/qt-unified-windows-x64-4.6.0-online.exe -OutFile qt-unified-windows-x64-4.6.0-online.exe
+              & .\qt-unified-windows-x64-4.6.0-online.exe --no-force-installations --no-default-installations --no-size-checking --default-answer --accept-licenses --confirm-command --accept-obligations --email ${Env:QT_EMAIL} --password ${Env:QT_PASSWORD} install qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.win64_msvc2019_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver
       - name: Install Vulkan
-        uses: humbletim/setup-vulkan-sdk@v1.2.0
-        with:
-          vulkan-query-version: 1.3.261.1
-          vulkan-components: Vulkan-Headers, Vulkan-Loader
-          vulkan-use-cache: true
-      - name: Install CUDA ToolKit
-        uses: Jimver/cuda-toolkit@v0.2.16
-        id: cuda-toolkit
-        with:
-          method: network
-          sub-packages: '["nvcc_11.8", "visual_studio_integration"]'
-          non-cuda-sub-packages: '["cudart_11.8", "cublas_11.8", "cublas_dev_11.8"]'
-          cuda: 11.8.0
+        run: |
+            Invoke-WebRequest -Uri https://sdk.lunarg.com/sdk/download/1.3.261.1/windows/VulkanSDK-1.3.261.1-Installer.exe -OutFile VulkanSDK-1.3.261.1-Installer.exe
+            .\VulkanSDK-1.3.261.1-Installer.exe --accept-licenses --default-answer --confirm-command install
+      - name: Install CUDA
+        run: |
+            Invoke-WebRequest -Uri  https://developer.download.nvidia.com/compute/cuda/11.8.0/network_installers/cuda_11.8.0_windows_network.exe -OutFile cuda_11.8.0_windows_network.exe
+            .\cuda_11.8.0_windows_network.exe -s cudart_11.8 nvcc_11.8 cublas_11.8 cublas_dev_11.8
       - name: Build Chat
         run: |
            cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DKOMPUTE_OPT_DISABLE_VULKAN_VERSION_CHECK=ON -S gpt4all-chat -B build
@@ -54,19 +40,14 @@ jobs:
       - name: Setup XCode
         run: sudo xcode-select -s '/Applications/Xcode_14.1.app'
       - name: Install QT
-        uses: jurplel/install-qt-action@v4
-        with:
-          version: '5.15.11'
-          host: 'mac'
-          target: 'desktop'
-          arch: 'clang_64'
-          dir: '${{ github.workspace }}/Qt'
-          cache: true
-          tools: 'qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.clang_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver'
-          set-env: 'true'
-          tools-only: 'false'
+        run: |
+            curl -o qt-unified-macOS-x64-4.6.0-online.dmg https://gpt4all.io/ci/qt-unified-macOS-x64-4.6.0-online.dmg
+            hdiutil attach qt-unified-macOS-x64-4.6.0-online.dmg
+            /Volumes/qt-unified-macOS-x64-4.6.0-online/qt-unified-macOS-x64-4.6.0-online.app/Contents/MacOS/qt-unified-macOS-x64-4.6.0-online --no-force-installations --no-default-installations --no-size-checking --default-answer --accept-licenses --confirm-command --accept-obligations --email $QT_EMAIL --password $QT_PASSWORD install qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.clang_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver
+            hdiutil detach /Volumes/qt-unified-macOS-x64-4.6.0-online
       - name: Install Rosetta
-        run: softwareupdate --install-rosetta --agree-to-license
+        run: |
+            softwareupdate --install-rosetta --agree-to-license
       - name: Build Chat
         run: |
             cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -S gpt4all-chat -B build
@@ -80,17 +61,10 @@ jobs:
           fetch_depth: 0
           submodules: true
       - name: Install QT
-        uses: jurplel/install-qt-action@v4
-        with:
-          version: '5.15.11'
-          host: 'linux'
-          target: 'desktop'
-          arch: 'gcc_64'
-          dir: '${{ github.workspace }}/Qt'
-          cache: true
-          tools: 'qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.gcc_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver qt.qt6.651.qtwaylandcompositor'
-          set-env: 'true'
-          tools-only: 'false'
+        run: |
+            wget https://gpt4all.io/ci/qt-unified-linux-x64-4.6.0-online.run
+            chmod +x qt-unified-linux-x64-4.6.0-online.run
+            ./qt-unified-linux-x64-4.6.0-online.run --no-force-installations --no-default-installations --no-size-checking --default-answer --accept-licenses --confirm-command --accept-obligations --email $QT_EMAIL --password $QT_PASSWORD install qt.tools.cmake qt.tools.ifw.47 qt.tools.ninja qt.qt6.651.gcc_64 qt.qt6.651.qt5compat qt.qt6.651.debug_info qt.qt6.651.addons.qtpdf qt.qt6.651.addons.qthttpserver qt.qt6.651.qtwaylandcompositor
       - name: Install Vulkan + Cuda
         run: |
             wget -qO- https://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo tee /etc/apt/trusted.gpg.d/lunarg.asc
@@ -101,8 +75,8 @@ jobs:
             echo "/usr/local/cuda/bin" >> $GITHUB_PATH
       - name: Build Chat
         run: |
-          cmake -GNinja -DCMAKE_BUILD_TYPE=Release -S gpt4all-chat -B build
-          cmake --build build --target all
+            cmake -GNinja -DCMAKE_BUILD_TYPE=Release -S gpt4all-chat -B build
+            cmake --build build --target all