Generally, without the two-factor authentication, the users must insert their password to login into their account. With Gmail two-factor authentication, the users will need to insert the password and the verification code they receive on their phone number or email address. To enable it, go to Google 2-step verification and click on Get Started. Sign in to your account using your password and email address and turn on the two-factor authentication. Verify your phone number or email and receive the code by tapping on Send Code.

#gmail two-factor authentication #google 2-step verification