'What is Google Authenticator?': How to set up Google's two-step verification software to secure all of your Google apps

Google Authenticator is a two-step verification software used to keep your Google account and its related apps and programs more secure.
Yahoo

How to Set Up Google Authenticator for Seamless Two-Factor Authentication

First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key. Whenever you're ...
Business Insider

How to move Google Authenticator to your new phone for added security

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