Protect your account with 2-Step Verification
With 2-Step Verification (also known as two-factor authentication), you add an extra layer of security to your account in case your password is stolen. After you set up 2-Step Verification, you’ll sign in to your account in two steps using:
Something you know, like your password
Something you have, like your phone
Turn on 2-Step Verification
Open your Google Account.
In the navigation panel, select Security.
Under “Signing in to Google,” select 2-Step Verification Get started.
Follow the on-screen steps.
For you to disable your 2-Step Verification follow the same steps to turn it off.