Enhance security with Steam's best practices.
Enhance security with Steam's best practices.
They have Steamguard, which should cover your needs with a code sent from your email when switching computers. For extra proof of ownership, you can purchase a physical game like Skyrim and include a printed CD key with your email or similar documentation. Using a phone number or ID for verification is not typical in this process. Passport or driver’s license aren’t usually accepted for account verification in this way.