This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Learn how to protect your PC, identity, and data from tech support scams.

Find out more info about what doxing is and how to protect yourself from those who might try to use your private info against you on the Xbox service.

Microsoft Support

Microsoft Support

Microsoft Support

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Learn how to identify and open encrypted and protected emails no matter what email client you're using.

取得有關 Xbox Live 好友、交談、派對等項目的說明。

通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。 通过以下方式在设备上下载Microsoft Defender： 扫描以下 QR 码 在应用商店中搜索Microsoft Defender 与设备共享，链接如下： 复制链接 我们建议在每人至少五台设备上安装Microsoft Defender。 准备好了尝试一下吗？