Step 1.
Android: Press the red circle with a plus (+) rat the bottom right of the screen in the Google Authenticator app and then on “Scan a barcode” whether “scan bar code”.
iOS: Busy at the top of the menu bar upon the plus sign (+) and then on “Scan a barcode” whether “scan bar code”.
Step 2.
Now enter the 6-digit code from your Google Authenticator app and then click the orange button with “Save Preferences”.
Step 3.
Successful! Your account is now secured with Google Authenticator.
If all is well, you will see the message below.