From the User Main Menu, click “Domain Registrations”. You will be presented with two options:

Domain To Be Registered
If the domain name has not yet been registered you can request the domain to be registered by selecting this option. Not all domain types will be available to register. Select this option, then in the next screen type in your domain and click “Save”. Your web host will take the next steps of registering your domain for you (if applicable).
Domain Administration To Be Transferred
If the domain name has already been registered, however the administration requires to be moved to this system then the transfer option should be selected. Transferring the administration of a domain will mean that the domain renewal fees will be made from this system rather than the current location. Select this option, then in the next screen type in your domain and click “Save”. Your web host will take the next steps of transferring your domain for you (if applicable).