Two-factor sign-in
In Account settings, Security, turn on two-factor sign-in with an authenticator app or an email code after your password. Save the recovery codes somewhere safe: they let you in if you lose your phone.
Help center / Account
In Account settings, Security, turn on two-factor sign-in with an authenticator app or an email code after your password. Save the recovery codes somewhere safe: they let you in if you lose your phone.