Point your device's camera at the QR code displayed on the website or service to link your account quickly and easily.

Launch the app after installation, and tap the "Get Started" button to begin the setup process for linking your accounts.

The app automatically refreshes codes every 30 seconds, ensuring that you always have a current code for authentication.

It's crucial to save backup codes provided during account setup in a secure location, as they can help you regain access if you lose your device.

Once linked, the app will generate a unique time-sensitive code for your account, which changes every 30 seconds for added security.

Google Authenticator can be used for 2FA on various websites and services, enhancing security by requiring a second verification step.