Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

请在下载恢复映像前始终先尝试这样做。 若要了解详细信息，请参阅以下链接。 对于 Surface Hub 2S 和 Surface Hub 3，请参阅 重置 Surface Hub 2S & Surface Hub 3 的 & 恢复，了解每种设备型号支持哪些恢复映像的具体信息。

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

When you install the web version of Outlook as a progressive web app, you can do things like pin and launch the web version of Outlook from your computer's home screen or task bar and access your account while you're offline.

若要登录到工作或学校帐户，请转到 myaccount.microsoft.com 或选择下面的“ 登录 ”。登录 另请参阅 详细了解工作或学校帐户 登录到 Windows 登录 Office 如何检查电子邮件地址是否为 Microsoft 帐户

If you want to play DVDs in Windows 10, go to Microsoft Store to buy Windows DVD Player or another app that plays DVDs. Free DVD player options are also available.

Office 2013 clients (including Outlook) support new authentication protocols and can be used with two-step verification. This support means that after two-step verification is turned on, you'll no longer need app passwords for Office 2013 clients.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.