While in chat type out the following command:
/msg nickserv help
It will give you all the commands you need to register your nickname.
[23:52] -NickServ- NickServ allows you to "register" a nickname and
[23:52] -NickServ- prevent others from using it. The following
[23:52] -NickServ- commands allow for registration and maintenance of
[23:52] -NickServ- nicknames; to use them, type /msg NickServ command.
[23:52] -NickServ- For more information on a specific command, type
[23:52] -NickServ- /msg NickServ HELP command.
[23:52] -NickServ-
[23:52] -NickServ- REGISTER Register a nickname
[23:52] -NickServ- GROUP Join a group
[23:52] -NickServ- IDENTIFY Identify yourself with your password
[23:52] -NickServ- ACCESS Modify the list of authorized addresses
[23:52] -NickServ- SET Set options, including kill protection
[23:52] -NickServ- DROP Cancel the registration of a nickname
[23:52] -NickServ- RECOVER Kill another user who has taken your nick
[23:52] -NickServ- RELEASE Regain custody of your nick after RECOVER
[23:52] -NickServ- SENDPASS Forgot your password? Try this
[23:52] -NickServ-
[23:52] -NickServ- Other commands: GHOST, ALIST, GLIST, INFO, LIST, LOGOUT,
[23:52] -NickServ- STATUS
[23:52] -NickServ-
[23:52] -NickServ- NOTICE: This service is intended to provide a way for
[23:52] -NickServ- IRC users to ensure their identity is not compromised.
[23:52] -NickServ- It is NOT intended to facilitate "stealing" of
[23:52] -NickServ- nicknames or other malicious actions. Abuse of NickServ
[23:52] -NickServ- will result in, at minimum, loss of the abused
[23:52] -NickServ- nickname(s).
[23:52] -NickServ-
[23:52] -NickServ- Nicknames that are not used anymore are subject to
[23:52] -NickServ- the automatic expiration, i.e. they will be deleted
[23:52] -NickServ- after 21 days if not used.
