> For the complete documentation index, see [llms.txt](https://docs.changeup.com/app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.changeup.com/app/account-settings/manage-users/two-factor-authentication.md). # Two-factor Authentication When you either set up Two-factor Authentication (2fa) for the first time or if it has been reset the following screen appears upon login. Open a mobile device and using an authentication app (Google Auth, Duo, Authy, etc.) scan the code to add ChangeUp DMS to your auth app.

Enter the six-digit code to Verify your account. Once the code verifies you will be automatically logged in to the DMS.

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