To create a new domain there is a multiple step wizard. The steps can be different depends on the level of permissions of the user.
Step 1 - Select a partner
Step 2 - Select an account, a contact person and subscription plan (if it does not exists there is an option to create it)
Step 3 - Set the domain URL and supported languages
Step 4 - Set the configuration
Step 5 - Finalize and send emails