Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Microsoft Authenticator FAQs Caution A common trick of attackers is to contact you via text or phone pretending to be your bank, IT support, or other service provider and saying they need you to read them the code from your Authenticator to verify your identity on the call. Don't give them the code - they're trying to break into your account and are stuck at the verification prompt. No real ...

为了帮助你更好地了解我们的流程，我们提供了每种强制措施类型的详细信息以及这些措施对你的 Xbox 档案或设备的影响。

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。

Secure Boot helps ensure that your device starts using trusted software. The Microsoft Secure Boot certificates originally issued in 2011 begin expiring in June 2026. To maintain protection against new boot‑level threats, Microsoft is updating devices with a new set of 2023 certificates. Most devices will receive these updates automatically, but some systems may require additional firmware ...

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

删除单独的电话号码或电子邮件地址 在 Web 浏览器中，登录您的 Microsoft 帐户： Microsoft 帐户 在“帐户”屏幕上，转到“安全 ”部分，然后选择“更新”。 我们将通过短信或电子邮件发送一个安全代码，以确保你是帐户所有者。按照说明输入该代码。 在“高级安全性选项”部分中，选择“入门 ...

Windows 11 Windows 10 Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > and then select Troubleshoot .

Add your Google account On the Google account security page, go to the Add more second steps to verify it's you section, choose the Set up from the Authenticator app section. On the Get codes from Authenticator page, select either Android or iPhone based on your phone type, and then select Next.