iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

注意 Microsoft Authenticator 不适用于 电脑或 Mac，因为验证器应用是出于安全原因为智能手机设计的。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 中国用户应 了解如何在中国下载和使用 Microsoft Authenticator。

Check the Xbox services, games, and apps for any service outages.

更新 Microsoft 帐户的安全信息 注意 如果在最近 30 天内您已经删除并且替换了您的安全信息，则必须等待这个 30 天的时段过去，然后才能再次执行删除和替换操作。如果攻击者获取了您的密码，那么这个等待期有助于保护您的帐户。

Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

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已过保修期服务费用 如果你的 Xbox 主机或配件不再符合标准有限保修的资格，则可能有资格享受免费保修服务。下表按设备类型概述已过保修期的服务费用。超出保修期的收费包括适用的税费（加拿大、印度和美国除外）。

If your Mac doesn't support macOS 12 (Monterey), or your iPhone or iPad doesn't support iOS 17, you won't be able to install the required updates. Check your email account associated with your Office or Microsoft 365 plan; you will be receiving an email from Microsoft with more information.

If you get an email from Microsoft account team and the email address domain is @accountprotection.microsoft.com, it is safe to trust the message and open it. Microsoft uses this domain to send email notifications about your Microsoft account. These notifications can include security codes for two-step verification and account update information, such as password changes. You can check the ...