diff --git a/action.yml b/action.yml
index c30d466..d52e59d 100644
--- a/action.yml
+++ b/action.yml
@@ -78,14 +78,19 @@ runs:
       if: runner.os == 'Windows'
       env:
         CLAMAV_WIN_VERSION: clamav-1.0.4.win.x64
+        DB_MAIN: ${{ inputs.db_main }}
+        DB_DAILY: ${{ inputs.db_daily }}
       shell: pwsh
       run: |
-        curl -L -o clamav.zip https://www.clamav.net/downloads/production/${{ env.CLAMAV_WIN_VERSION }}.zip
-        tar -xf clamav.zip
-        cp clamd.conf ${{ env.CLAMAV_WIN_VERSION }}
-        cp freshclam.conf ${{ env.CLAMAV_WIN_VERSION }}
-        ${{ env.CLAMAV_WIN_VERSION }}\freshclam.exe -F --update-db=bytecode `
-          $(if ("${{ inputs.db_main }}" -eq "true") { "--update-db=main" }) `
-          $(if ("${{ inputs.db_daily }}" -eq "true") { "--update-db=daily" })
-        ${{ env.CLAMAV_WIN_VERSION }}\clamd.exe --install-service
+        $clamavInstallDir = Join-Path $env:RUNNER_TEMP $env:CLAMAV_WIN_VERSION
+        $clamavZipFilePath = Join-Path $env:RUNNER_TEMP clamav.zip
+        Invoke-WebRequest -Uri "https://www.clamav.net/downloads/production/$env:CLAMAV_WIN_VERSION.zip" -OutFile $clamavZipFilePath
+        Expand-Archive -Path $clamavZipFilePath -DestinationPath $clamavInstallDir
+        Copy-Item clamd.conf -Destination $clamavInstallDir
+        Copy-Item freshclam.conf -Destination $clamavInstallDir
+        dir $clamavInstallDir
+        $clamavInstallDir\freshclam.exe -F --update-db=bytecode `
+          $(if ($env:DB_MAIN -eq "true") { "--update-db=main" }) `
+          $(if ($env:DB_DAILY -eq "true") { "--update-db=daily" })
+        $clamavInstallDir\clamd.exe --install-service
         net start clamd