diff --git a/action.yml b/action.yml
index 75064b1..e5d2210 100644
--- a/action.yml
+++ b/action.yml
@@ -5,7 +5,11 @@ runs:
   steps:
   # https://docs.github.com/en/actions/sharing-automations/creating-actions/metadata-syntax-for-github-actions#runsstepsrun
     - run: $GITHUB_ACTION_PATH/install.sh
+      if: runner.os != 'windows'
       shell: bash
+    - run: . "$env:GITHUB_ACTION_PATH\install.ps1"
+      if: runner.os == 'windows'
+      shell: powershell
     - name: add to path if windows
       if: runner.os == 'windows'
       shell: powershell
diff --git a/install.ps1 b/install.ps1
index f46609d..6ef9ba7 100644
--- a/install.ps1
+++ b/install.ps1
@@ -20,7 +20,7 @@ $url = "https://github.com/you54f/pact-cli/releases/download/$tag/pact-cli-$arch
 
 
 Write-Host "Downloading $url to $pactDir"
-$exe = Join-Path $pactDir "pact-cli"
+$exe = Join-Path $pactDir "pact-cli.exe"
 if (Test-Path "$exe") {
   Remove-Item $exe
 }
@@ -34,5 +34,4 @@ Write-Host "--> Adding pact-cli to path"
 $pactBinariesPath = "$pactDir"
 $env:PATH += ";$pactBinariesPath"
 Write-Host $env:PATH
-Get-ChildItem $pactBinariesPath
-pact-cli.exe --version
\ No newline at end of file
+pact-cli.exe --help
\ No newline at end of file
diff --git a/install.sh b/install.sh
index 965c40c..12ea8cc 100755
--- a/install.sh
+++ b/install.sh
@@ -16,7 +16,7 @@ if [ "$tag" ]; then
 fi
 
 if command -v curl >/dev/null 2>&1; then
-  downloader="curl -sLO"
+  downloader="curl -sLO --fail"
 elif command -v wget >/dev/null 2>&1; then
   downloader="wget -q"
 else
@@ -33,6 +33,10 @@ if [ -z "$PACT_CLI_VERSION" ]; then
     echo "Sorry, you need set a version number PACT_CLI_VERSION as we can't determine the latest at this time. See https://github.com/you54f/pact-cli/releases/latest."
     exit 1
   fi
+  if [ -z "$PACT_CLI_VERSION" ]; then
+    PACT_CLI_VERSION=vlatest
+    echo "No version specified, defaulting to $PACT_CLI_VERSION"
+  fi
 
   echo "Thanks for downloading the latest release of pact-cli $PACT_CLI_VERSION."
   echo "-----"
@@ -107,20 +111,27 @@ case $os in
   ;;
 esac
 
+PROJECT_NAME=pact-cli
 echo 
 echo "-------------"
 echo "Downloading ${filename} - version ${PACT_CLI_VERSION}"
 echo "-------------"
-($downloader https://github.com/you54f/pact-cli/releases/download/"${PACT_CLI_VERSION}"/"${filename}" && echo downloaded "${filename}") || (echo "Sorry, you'll need to install the pact-cli manually." && exit 1)
-(chmod +x "${filename}" && echo unarchived "${filename}") || (echo "Sorry, you'll need to unarchived the pact-cli manually." && exit 1)
-echo "pact-cli ${PACT_CLI_VERSION} installed to $(pwd)"
+echo "Url: https://github.com/you54f/pact-cli/releases/download/${PACT_CLI_VERSION}/${filename}"
+($downloader https://github.com/you54f/pact-cli/releases/download/"${PACT_CLI_VERSION}"/"${filename}" && echo downloaded "${filename}") || (echo "Failed to download pact-cli, check the version and url." && exit 1)
+echo "$PROJECT_NAME ${PACT_CLI_VERSION} installed to $(pwd)"
 echo "-------------------"
 echo "available commands:"
 echo "-------------------"
-PROJECT_NAME=pact-cli
 PACT_BROKER_CLI_BIN_PATH=${PWD}
-mv $filename $PROJECT_NAME
-chmod +x $PROJECT_NAME
+if [[ "$filename" == *.exe ]]; then
+  mv "$filename" "$PROJECT_NAME.exe"
+  chmod +x "$PROJECT_NAME.exe"
+else
+  mv "$filename" "$PROJECT_NAME"
+  chmod +x "$PROJECT_NAME"
+fi
+./pact-cli --help
+echo "-------------------"
 if [ "$GITHUB_ENV" ]; then
 echo "Added the following to your path to make ${PROJECT_NAME} available:"
 echo ""