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How to Use an Authenticator App

Generate temporary verification codes for accounts protected by two-factor authentication.

Quick Answer

Add the account using its setup QR code or key, then use the changing code when the service asks for verification.

Step by Step

  1. Use the official settings or website for the account, device, browser, or service involved.
  2. Add the account using its setup QR code or key, then use the changing code when the service asks for verification.
  3. Review security and recovery settings after making the change.
  4. Keep recovery information and backups somewhere you can access if the primary device is lost.

If That Doesn't Work

  • Never give an unsolicited caller or message sender your password, recovery code, or one-time verification code.
  • If money or a critical account is at risk, use a known official contact method rather than contact information supplied in the suspicious message.