It is recommended to add the support service with Chrome OS M99 or later-running versions. Follow the steps below to download:

• Go to the Chrome browser and open Chrome Web Store. 

• Then find the HP Support Assistant Chrome OS extension and click to download. 

• After that, you will be redirected to the HP Support Assistant download webpage. 

• Click the “Launch HP Support Assistant for Chrome OS” button on that page to start the app.