To begin setting up Google Drive (v2), navigate to the Destinations page under Wp-Admin -> BackupBuddy -> Destinations and click the "+ Add New" button. From there, select the Google Drive (v2) destination:
Click the "Sign in with Google" button, or click the link below if you're using a service account:
Allow BackupBuddy access to Google Drive by clicking, "Allow":
Copy and paste the OAuth key provided into the "Paste your code here:" option, and click "Link Account":
Success! You've now added Google Drive as a remote destination, you may now send your backups to the destination and you can also restore backups from Google Drive.