...
- Sign in with the free Google Authenticator app
- Sign in with a backup phone
- Sign in using backup codes
- Downloading your backup codes and saving them to a secure location is the best way to ensure that you can access your Google Account if you lose or misplace your phone!
- Sign in with a security key
Troubleshooting
If you run into issues during the configuration process, please reference the Google Help Center link for this subject.
...