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# Set Up Two-Factor Authentication as a User

> Learn how to set up two-factor authentication using SMS or an authentication application, and understand when re-authentication is required.

Learn how to set up two-factor authentication using SMS or an authentication application, and understand when re-authentication is required.

Users have the option of receiving the authentication code in two ways:

* SMS authentication
* Authentication application

The following cases require re-authentication:

* Logging in to Zuora One ID after the **Remember me for 30 days** period has expired.
* Logging in from another machine or browser where the **Remember me for 30 days** option has not been enabled.