Learn how to use Microsoft Authenticator app on PC and Phone to securely sign in to your personal, work, school, or other accounts without using a password.

How to Add an Account to Google Authenticator You need two things: Google's authenticator app and a code from the account you want to add to the app (Facebook, Amazon, your bank, etc.).

Google Authenticator doesn't have an app for Windows, but you can generate the code using your browser. Check this guide to know how to do it.

When you use an authenticator app, the multifactor codes are available in-app instead of through a text. Want to make the switch from a 2FA process ruled by SMS messages to a more secure option?