diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
new file mode 100644
index 0000000..7b4ed84
--- /dev/null
+++ b/.github/workflows/test.yaml
@@ -0,0 +1,32 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        arch: [amd64, arm64]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+    
+      - name: List directory contents
+        run: ls -R
+
+      - name: Run Setup Coder Action
+        uses: ./
+        with:
+          access_url: ${{ secrets.CODER_URL }}
+          coder_session_token: ${{ secrets.CODER_SESSION_TOKEN }}
+
+      - name: Run Coder CLI
+        run: |
+          coder version
+          coder whoami
diff --git a/action.yaml b/action.yaml
index 6a68dfc..5069e07 100644
--- a/action.yaml
+++ b/action.yaml
@@ -17,15 +17,48 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: Download Coder binary from access URL
-      run: curl -fsSL $CODER_URL/bin/coder-linux-amd64 -o /usr/local/bin/coder && chmod +x /usr/local/bin/coder
+    - name: Download and install Coder binary (Windows)
+      if: runner.os == 'Windows'
+      run: |
+        if (${{ runner.arch }} -eq "ARM64") {
+          $ARCH = "arm64"
+        } else {
+          $ARCH = "amd64"
+        }
+        curl -fsSL ${{ inputs.access_url }}/bin/coder-windows-$ARCH.exe -o $env:USERPROFILE\AppData\Local\bin\coder.exe
+        echo "$env:USERPROFILE\AppData\Local\bin" >> $GITHUB_PATH
+      shell: pwsh
+
+    - name: Download and install Coder binary (Linux/macOS)
+      if: runner.os != 'Windows'
+      run: |
+        if [ "${{ runner.arch }}" == "ARM64" ]; then
+          ARCH="arm64"
+        else
+          ARCH="amd64"
+        fi
+        if [ "${{ runner.os }}" == "macOS" ]; then
+          OS="darwin"
+        else
+          OS="linux"
+        fi
+        curl -fsSL ${{ inputs.access_url }}/bin/coder-${OS}-${ARCH} -o $HOME/.local/bin/coder
+        chmod +x $HOME/.local/bin/coder
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
       shell: bash
+
+    - name: Login to Coder (Windows)
+      if: runner.os == 'Windows'
+      run: coder login --token $CODER_SESSION_TOKEN $CODER_URL
+      shell: pwsh
       env:
         CODER_URL: ${{ inputs.access_url }}
+        CODER_SESSION_TOKEN: ${{ inputs.coder_session_token }}
 
-    - name: Login to Coder
+    - name: Login to Coder (Linux/macOS)
+      if: runner.os != 'Windows'
       run: coder login --token $CODER_SESSION_TOKEN $CODER_URL
       shell: bash
       env:
         CODER_URL: ${{ inputs.access_url }}
-        CODER_SESSION_TOKEN: ${{ inputs.coder_session_token }}
\ No newline at end of file
+        CODER_SESSION_TOKEN: ${{ inputs.coder_session_token }}