Important: If you purchased your domain through Google Workspace, manage your registration in the Google Admin console.
When you buy a domain, you register it for at least a 1-year period. During this registration period, you retain the rights to that domain name. Your domain name is the exact string of characters you purchased. You can't change your domain name once it's registered.
During and after your initial registration period, there are scenarios where you may need to take the following actions to manage your domain: