See wiki for registration of an account on about.psyc.eu.
The concept of uniforms isn't trivial for everyone. Instead of presenting a do-everything form to newbies I thought it might be easier and more windowsy to take them by the hand:
Sketch / Idea for a client registration / install wizard
Would you like a little help getting started? YES, HELP ME Or are you an advanced user? ONLY THIS TIME ALWAYS & FOREVER
Would you like to connect to an existing identity or do you need to create a new one? CONNECT CREATE
What is the uniform of your identity? Uniform:
PSYC recommends to run your own server, but you can use somebody else's, if they agree. What is the hostname of your PSYC server? Hostname: PSYC servers usually run on port 4404. Change this only if your server doesn't do so. Port:
Select a nickname you would like to be identified as. I will check if it is available. Nick:
The nickname is registered. Is it yours? You can try entering your password. Password:
The name is free! Welcome on PSYC! I think we should now protect this name with a password. Password: SKIP THIS
4) Your uniform is: psyc... Alternate schemes to contact you are: xmpp... irc.. Do you know any uniforms of people or places you would like to get in contact with? Visit: SKIP THIS
For a client to register, you need to link to the server first, using the account nick to be registered, but without providing authentication. Then you send a _request_do_register providing the new _password. You will receive a confirmation. Next time you connect to this identity you will need to provide authentication at linking time.