Click Manage and select Settings.
Select Domains from the menu on the left.
Click Add Domain.
Enter a name for your domain and choose an extension from the dropdown list.
Click Check Availability.
If the domain is not available, enter another name. If it is available, click Continue.
Enter the required details and the on-screen instructions will walk you through the domain-purchasing process.
If you are using a free site, upgrade to one of our paid plans and then you will get the option to buy a domain name.