On a web browser go to 2fa.gmu.edu. Click 2FA Account Login on the bottom right.
Click Request 2FA Emergency Bypass Code.
Enter G Number and click CONTINUE.
Answer Security Questions and click CONTINUE.
You will get a confirmation page that the bypass code was sent to your alternate email address.
Check the alternate email account to access your bypass code.
Note: The code is one-time use and must be used within one hour.