Overview
With 2-Step Verification, or two-factor authentication, you can add an extra layer of security to your account in case your password is stolen.
Instructions
Step 1 – Open Google Account Settings
https://accounts.google.com/

Step 2 – Go to Security Tab

Step 3 – Open 2-Step Verification Settings

Step 4 – Choose Your Preferred Second Step

Step 5 – Successful Setup
🎉 2-Step Verification is now turned on.
⚠️ You can view and manage your verification methods anytime under Security → 2-step Verification.

Skip a second step on trusted devices
If you don't want to provide a second verification step each time you sign in on your computer or phone, check the box next to "Don't ask again on this computer" or "Don't ask again on this device."
Important: Only check this box on devices you regularly use and don't share with anyone else.