diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
new file mode 100644
index 00000000..f00d5ff3
--- /dev/null
+++ b/.github/workflows/macos.yml
@@ -0,0 +1,19 @@
+name: Windows
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: prepare
+      run: mkdir build
+    - name: cmake
+      run: cd build ; cmake ..
+    - name: build
+      run: make -C build
+    - name: test
+      run: cd build ; ctest -j 10
diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ubuntu.yml
similarity index 93%
rename from .github/workflows/ccpp.yml
rename to .github/workflows/ubuntu.yml
index c6f8afb3..cedc0278 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ubuntu.yml
@@ -1,4 +1,4 @@
-name: C/C++ CI
+name: Ubuntu
 
 on: [push]
 
@@ -6,7 +6,7 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-    
+
     steps:
     - uses: actions/checkout@v1
     - name: prepare
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
new file mode 100644
index 00000000..1116e1ca
--- /dev/null
+++ b/.github/workflows/windows.yml
@@ -0,0 +1,19 @@
+name: macOS
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: prepare
+      run: mkdir build
+    - name: cmake
+      run: cd build ; cmake ..
+    - name: build
+      run: make -C build
+    - name: test
+      run: cd build ; ctest -j 10