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On the Start by getting the app page, select Download now to download and install the Microsoft Authenticator app on your mobile device, and then select Next. For more information about how to download and install the app, see Download and install the Microsoft Authenticator app.
If you want to use an authenticator app other than the Microsoft Authenticator app, select I want to use a different authenticator app.
If your organization lets you choose a different method besides the authenticator app, you can select I want to set up a different method.
Remain on the Set up your account page while you set up the Microsoft Authenticator app on your mobile device.
Open the Microsoft Authenticator app, select to allow notifications (if prompted), select Add account from the Customize and control icon on the upper-right, and then select Work or school account.
Return to the Set up your account page on your computer, and then select Next. The Scan the QR code page appears.
Scan the provided code with the Microsoft Authenticator app QR code reader, which appeared on your mobile device after you created your work or school account in Step 6.
The authenticator app should successfully add your work or school account without requiring any additional information from you. However, if the QR code reader can't read the code, you can select Can't scan the QR code and manually enter the code and URL into the Microsoft Authenticator app. For more information about manually adding a code, see Manually add an account to the app.
Select Next on the Scan the QR code page on your computer. A notification is sent to the Microsoft Authenticator app on your mobile device, to test your account.
Approve the notification in the Microsoft Authenticator app, and then select Next. Your security info is updated to use the Microsoft Authenticator app by default to verify your identity when using two-step verification or password reset.
