The first thing that you should check if Steam refuses to open on your computer is to verify if it is running. There are cases where Steam is already running on your computer, but its user interface is not appearing on your screen. To verify this, check out the guide below: On your...
Verify your new phone by entering the verification code sent to you via email. Once the setup is complete, your Steam Authenticator will be moved to the new phone. Q: What happens if I lose my old phone before moving the Steam Authenticator? If you lose your old phone before moving the ...