Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN. You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts. Authenticator can be used three ways:

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You can set up an authenticator app to send a notification to your mobile device or to send you a verification code as your security verification method. You aren't required to use the Microsoft Authenticator app, and you can select a different app during the set up process.

Sign in using Microsoft Authenticator. Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

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Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Add a new account to the Microsoft authenticator app. You can set up your work or school account on the Microsoft Authenticator app for Android or iOS. Important: If you already set up your work or school account in the Microsoft Authenticator app, you don't need to do it again.

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Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator：. 注意: 我们会尽量使所有应用商店版本保持最新状态，但Microsoft不对其他网站上提供的版本负责。.