Install Google Authenticator on your device. Android iOS Locate your account's two-factor authentication setup process. You should get a QR code or a long string of characters.

How Google Authenticator’s account syncing works Once you update the Authenticator app on Android or iOS, you’ll find a brand-new app icon, and a green cloud image in the top-right corner.

For Android users looking for the best authenticator app on their platform, Aegis might just take the cake. It’s free, open-source, and not tied to a proprietary system, like Google.

While Google has long switched to a default phone-based approach rather than a code-based authentication, it still offers Google Authenticator, its one-time code (OTP) generator that can be used ...