Steam
Gaming · store.steampowered.com
Two second factors on offer: approval in an app and email code. The strongest is approval in an app.
Recommended setup
Steam Mobile
Approve sign-ins in the service's own app. Only ever approve a request you just started.
PushApproval in an appSteam Mobile
EmailEmail codeSupported
Not offered: security key, authenticator app, hardware token, text message, phone call.
Switch it on
General steps; menu names vary. Steam's own guide has the exact screens.
- Sign in to Steam and open your account's security settings. Look for two-step verification or two-factor authentication. Steam's own guide shows the exact screens.
- Install Steam Mobile on your phone and sign in. Turn on sign-in approvals when it asks.
- Save the backup codes. Keep them in your password manager or print them; they're your way back in if you lose your phone or key.
Before you start
!
A phone number is required as a fallback for Steam Mobile 2FA.