You can get a copy from your computer coordinator if you are in the Stevenson consortia. It will come with the software and the necessary instructions to set up your own unique user name. For John Smith, examples would be smith , jsmith , and j-smith respectively. The domain name is a bit harder. As you can see, these addresses use two parts, the first being the specific company or location, and the second their affiliation.
All countries have a two character identifier.
This may not be true of the user name.