Authentication
Sign up with Google
Simply click "Continue with Google" on the Sign up page. After an account is created, you should be able to sign in using your Google account.
Switch to signing in with Google
Existing users with a username (email powered by Google) and password who wish to switch to signing in with Google can simply click "Continue with Google" on the Login page. This will link your Google account to your h2x one.
Make sure your h2x email address exactly matches your Google email
Troubleshooting
Please ensure your h2x profile email matches your Google account's email exactly.
2FA is disabled if you use Google login. You can enable 2FA on your Google account to get the same level of security.