My username on Steam is an old e-mail I no longer use. Is there a way to change username?
10
You cannot change login name AFAIK, you can change only account alias for your friends (chat name and some games name). For alias change go to Steam->Settings->Friends.
@hotmail.com
username a good several years since he's actually used that email account, I somewhat doubt you can. – Nick T Dec 31 '11 at 6:27