- Login to Admin Console.
- Click Security > Basic settings.
Where is it?
- Under 2-Step Verification, check Allow users to turn on 2-step verification.
- This makes 2-Step Verification available for your users, but does not automatically enroll them. To enroll, users need to configure their verification settings individually. See Turn on 2-Step Verification.
- Once all users have enrolled in 2-Step Verification, you may enforce its use following the instructions in Manage your users' security settings.
For more information about set up 2-Step Verification for your domain, kindly visit: Set up 2-Step Verification for your domain