Before scanning any codes, ensure you have the official app installed from a verified source: Download via the Google Play Store . iOS: Download via the Apple App Store . How to Get Your Setup QR Code

The QR code is the central tool for setting up, managing, and transferring accounts within the app. Whether you are enabling two-factor authentication (2FA) for the first time or moving your digital keys to a new device, you will likely need to scan a QR code to link your accounts. Where to Download Google Authenticator

You do not download the setup QR code from Google Authenticator itself; instead, the (e.g., Google, Facebook, or Amazon) generates it for you. How to Set Up Google Authenticator in 5 Minutes!