For most people, authenticator apps offer the best mix of convenience and security. But which one is best for you?

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.).

Here’s how you can get started with Google Authenticator, what’s recently changed about the app, and how to access your codes in-app.

If your Microsoft Authenticator app is not working or displaying code for the accounts, then follow the suggestions to fix the issue using multiple methods.