my windows xp login username and password HELP ME!

ok my control pannel has ****** up so i can change my windows username and password login thing.
i heard there is a way to change them with command promb if you know of this way i would be very thankful if you could tell me.
thanks very much.
Answer #1
If you’re using an account with administrative privileges then click on Start–>Run and type in “compmgmt.msc” without the quotes. Hit Enter and in the new windows go to System Tools–>Local Users and Groups–>Users. There you can rename your account and set it a new password. Good luck mate ^_^