diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000000..dc7c007573
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,80 @@
+name: ResInsight Build
+
+on: [push]
+
+jobs:
+  ResInsight-x64:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        include:
+          - os: windows-latest
+            triplet: x64-windows
+            vcpkgGitCommitId: '6282cab61d175974b1af06473db584b9b80dcd48'
+            vcpkgPackages: 'grpc'
+          - os: ubuntu-latest
+            triplet: x64-linux
+            vcpkgGitCommitId: '6282cab61d175974b1af06473db584b9b80dcd48'
+            vcpkgPackages: 'grpc'
+    steps:
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install grpcio-tools
+          pip install pytest
+      - name: Install Linux dependencies
+        if: "contains( matrix.os, 'ubuntu')"
+        run: sudo apt-get install libxkbcommon-x11-0 libgl1-mesa-dev mesa-common-dev libglfw3-dev libglu1-mesa-dev
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Cache vcpkg artifacts
+        uses: actions/cache@v1
+        env:
+          cache-name: cache-vcpkg-modules
+        with:
+          path: ${{ github.workspace }}/vcpkg/
+          key: ${{ env.cache-name }}-${{ runner.os }}
+      - name: Run vcpkg
+        uses: lukka/run-vcpkg@v0.10
+        id: runvcpkg
+        with:
+          vcpkgArguments: '${{ matrix.vcpkgPackages }}'
+          vcpkgTriplet: '${{ matrix.triplet }}'
+          vcpkgGitCommitId: '${{ matrix.vcpkgGitCommitId }}'
+      - name: Prints outputs of run-vcpkg task
+        run: echo "'${{ steps.runvcpkg.outputs.RUNVCPKG_VCPKG_ROOT_OUT }}' '${{  steps.runvcpkg.outputs.RUNVCPKG_VCPKG_TRIPLET_OUT }}' "
+      - name: Install Qt
+        uses: ouuan/install-qt-action@v2.3.1
+        with:
+          version: 5.9.1
+          target: desktop
+          modules: qtscript 
+      - name: Build ResInsight-x64 Windows
+        if: "contains( matrix.os, 'windows')"
+        run: |
+          mkdir cmakebuild
+          cd cmakebuild
+          cmake .. -DRESINSIGHT_ENABLE_GRPC=true -DRESINSIGHT_ENABLE_PRECOMPILED_HEADERS=true -DRESINSIGHT_GRPC_PYTHON_EXECUTABLE=python -DRESINSIGHT_ENABLE_UNITY_BUILD=true -DCMAKE_TOOLCHAIN_FILE=${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake -A x64
+          cmake --build . --config Release --target PACKAGE
+      - name: Build ResInsight-x64 Linux
+        if: "contains( matrix.os, 'ubuntu')"
+        run: |
+          mkdir cmakebuild
+          cd cmakebuild
+          cmake ..  -DRESINSIGHT_ENABLE_PRECOMPILED_HEADERS=true -DRESINSIGHT_ENABLE_UNITY_BUILD=true -DCMAKE_TOOLCHAIN_FILE=${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake
+          cmake --build . --config Release 
+      - name: Test with pytest
+        if: "contains( matrix.os, '##-undefined-##')" # To be used when RESINSIGHT_GRPC_PYTHON_EXECUTABLE can be 'python' without extention in PATH
+        env:
+          RESINSIGHT_EXECUTABLE: ${{ runner.workspace }}/ResInsight/cmakebuild/ApplicationCode/Release/ResInsight.exe
+        run: |
+          cd ApplicationCode/GrpcInterface/Python/rips
+          pytest --console
+      - name: Upload artifact
+        if: "contains( matrix.os, 'windows')"
+        uses: actions/upload-artifact@v1
+        with:
+          name: ResInsight
+          path: ${{ runner.workspace }}/ResInsight/cmakebuild/packages