Install Google Authenticator on your phone
Open the app
Sign in to the account you want to secure
Go to the account’s security or two-factor authentication settings
Choose to set up an authenticator app
Scan the QR code shown on the website with Google Authenticator
If needed, enter the setup key manually instead of scanning
Enter the 6-digit code generated by the app to verify setup
Save backup codes if provided
Use the app to get new 6-digit codes when signing in
Enter the current code before it expires
Transfer or back up your authenticator accounts if you change phones