diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
new file mode 100644
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+++ b/.github/workflows/windows.yml
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+# This is a basic workflow to help you get started with Actions
+
+name: Windows
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "master" branch
+  pull_request:
+    branches: [ "master" ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: windows-2019
+    
+    defaults:
+        run:
+          shell: bash
+
+    env:
+        LLVM_ADIN_PATH: "C:/Program Files/LLVM/bin/"
+        PRETTY_OUTPUT_DIR: 1
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+          submodules: recursive
+
+    - name: prepare
+      # Build your program with the given configuration
+      run: |
+        "C:\Program Files (x86)\Microsoft Visual Studio\Installer\InstallCleanup.exe" #-full #-f
+        "C:\msys64\usr\bin\pacman" -Rs --noconfirm mingw-w64-i686-clang
+        "C:\msys64\usr\bin\pacman" -Rs --noconfirm mingw-w64-x86_64-clang-tools-extra
+        "C:\msys64\usr\bin\pacman" -Rs --noconfirm mingw-w64-x86_64-clang
+        "C:\msys64\usr\bin\pacman" -Rs --noconfirm mingw-w64-x86_64-llvm
+        "C:\msys64\usr\bin\pacman" -Rs --noconfirm mingw-w64-i686-llvm 
+        # choco uninstall llvm
+        # choco uninstall cmake.install
+        "C:\msys64\usr\bin\pacman" -S --noconfirm cmake
+        rm -rf "C:\Program Files\LLVM"
+        git clone https://github.com/remotemcu/llvm80-windows_x64.git "C:\Program Files\LLVM"
+        "C:\Program Files\LLVM\vs_BuildTools.exe" --quiet --add Microsoft.VisualStudio.Workload.VCTools --add Microsoft.VisualStudio.Component.VC.Tools.14.13 --nocache --wait
+
+    - name: check version
+      run: |
+        clang --version
+        cmake --version
+
+    - name: Configure CMake
+      run: |
+        cmake -B "D:\build" -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=REMCU/platform/windows_x64_clang.cmake
+
+    - name: Build
+      # Build your program with the given configuration
+      run: |
+        cmake --build "D:\build"
+    
+