diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..d2b0bb2
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,24 @@
+name: test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    name: 'test ${{ matrix.os }}'
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup dctl CLI
+        uses: ./
+
+      - name: Test dctl
+        run: dctl --version
diff --git a/README.md b/README.md
index 7431028..6eb45fb 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ steps:
     uses: actions/checkout@v3
 
   - name: Setup dctl CLI
-    uses: doseiai/setup-dctl@v0.0.18
+    uses: doseiai/setup-dctl@v0.0.19
     with:
       token: ${{ secrets.DOSEI_TOKEN }}
 ```
diff --git a/action.yaml b/action.yaml
index c1b7909..9003ce5 100644
--- a/action.yaml
+++ b/action.yaml
@@ -14,8 +14,20 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - run: curl -fsSL https://dosei.ai/install.sh | sh
+    - run: |
+        curl -fsSL https://dosei.ai/install.sh | sh
+        if [ "$RUNNER_OS" == "Linux" ]; then
+          echo "/home/runner/.dosei/bin" >> $GITHUB_PATH
+        elif [ "$RUNNER_OS" == "macOS" ]; then
+          echo "/Users/runner/.dosei/bin" >> $GITHUB_PATH
+        fi
       shell: bash
+      if: runner.os != 'Windows'
+    - run: |
+        irm https://dosei.ai/install.ps1 | iex
+        Add-Content $env:GITHUB_PATH "$env:USERPROFILE\.dosei\bin"
+      shell: pwsh
+      if: runner.os == 'Windows'
     - run: echo "DOSEI_TOKEN=${{ inputs.token }}" >> $GITHUB_ENV
       if: ${{ inputs.token }}
       shell: bash