Here'e an example of how to register a nick on Freenode IRC. It's a little tricky, but if you follow some simple steps, you'll get through it okay. All you need to do is connect to the Freenode IRC network and have a little talk with NickServ.
The first and most confusing questions can be combined:
- How do I know if my nick is already registered to someone else?
- How do I talk to NickServ?
Start by connecting your client to irc.freenode.net and joining any chat.
Next, type this command in the chat window: