Read this article, on how to set up 2-Step Verification Gmail. The 2-step Verification scheme by Google is meant to supply better security to your Gmail Account. For now, Google permits you to enable it yourself.
The Google 2FA feature will help you to keep your Gmail account safe and secure. If someone attempts to sign into your Google Gmail account from a device you have never used before, Then Google will require them to type a security code obtained via a mobile authentication app or text message along with your password.
What is 2-factor authentication?
2-factor authentication, or 2 step verification google, is a tool that increases the security of your Gmail account and provides an added layer of protection. When we turn on these verification settings, we will have to complete one more step after typing the password to verify that it is you after signing into your Google account. To learn in detail please visit Google Support page.
How to set up Gmail 2 step verification or Set up two factor authentication for Gmail Account
Log in to your Gmail account, click on your account, and then choose the Manage your Google Account option.

Go to the right side and then select Security settings.

Click on using your phone to sign in.

Type your Gmail credentials and then click next.

Click on Get Started.

Google to step verification Gmail, you will the connected devices, click on continue.

Set up 2-Step Verification
Google 2 Step verification will ask for your phone number to help you access your Gmail account if the 1st 2FA fails. Either you can choose an OTP text message or via call. Choose one of these and then click on Send.

Google will send you a text code depending on what you have selected. Type the code and tap the Next button.

Congratulations you have successfully completed the process of setting up 2-factor authentication on Google Gmail. Click on the Turn on button to complete the procedure.

2 step verification for Gmail.

Related: Add Gmail to Outlook


