This cumulative update for Windows 11, version 25H2 and 24H2 (KB5083769), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release.

Note Disk Management looks and works the same in Windows 10 and Windows 11. There are no feature differences between versions.

Learn how to find and connect with your friends on Xbox Live. Find out how to send a friend request, start a party, remove a friend and more.

获取有关如何在 Xbox 主机上注册、延长或查看订阅的最新计划的信息。

Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it. A digital license is a method of activation in Windows 10 and Windows 11 that doesn't require you to enter a product key.

安装当前版本 Windows 的任何更新，重启设备，然后再次尝试检查Windows 11升级。 如果已准备好在设备上安装Windows 11，Windows 更新 窗口中会显示 一条消息，显示Windows 11已准备就绪。 若要继续升级到 Windows 11，请选择“ 下载并安装 ”按钮。

重新安装 Windows 11 后激活 如果你的设备具有数字许可证，则可以在此设备上重新安装同一版本的 Windows 11，而无需输入产品密钥。 请确保在尝试重新安装之前，Windows 11 已激活。 若要了解，请选择“ 启动 ”按钮，然后选择“> 系统> 激活 ”。

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Find PowerPoint help and training from Microsoft. Get answers to your questions, and learn from how-to articles and training videos for PowerPoint.

日期/时间 SFC 详细信息 以下示例日志文件包含无法修复的文件的条目：2007-01-12 12：10：42，信息 CSI 00000008 [SR] 无法修复辅助功能的成员文件 [l：34 {17}]“Accessibility.dll” 版本 = 6.0.6000.16386，pA = PROCESSOR_ARCHITECTURE_MSIL (8) ，Culture neutral，VersionScope neutral，PublicKeyToken = {l：8 b：b03f5f7f11d50a3a}，Type neutral，TypeName neutral， 存储中没有 PublicKey，文件缺失