Install with Google Cloud

Class 4 is already available from Google Cloud. You can search for it from within http://cloud.google.com
Here is the full URL to access Class4v5 from Google Marketplace.
https://console.cloud.google.com/marketplace/product/denovolab-public-260121/class4v5
Here is the full URL to access Class4v6 from Google Marketplace.
https://console.cloud.google.com/marketplace/product/denovolab-public-260121/class4v6