Steam accounts let you access games, friends, and your library across devices. Sometimes you need to sign in using your Steam username rather than your email address, or you're unsure which login method works for your situation. This section covers how Steam usernames work for signing in and what to do when login problems come up.
The articles here explain how to find your Steam username, the difference between username and email login, what to try when you can't remember your username, and how to recover access to your account if you're locked out. You'll also find steps for fixing common login errors and understanding why Steam sometimes asks for extra verification.