Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably. You’re in control over whether you use Delivery Optimization with the settings described in this article.

注意: 删除所有内容 > 更改设置 提供了两个选项。. 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。 这可能需要一或两个小时的时间，但也会让其他人难以恢复你删除的文件。

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 Windows 8 Enterprise Windows 8 Pro Windows RT Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Windows Server 2008 R2 Datacenter Windows Server 2008 R2 Enterprise Windows Server 2008 R2 for Itanium-Based Systems Windows Server 2008 R2 Standard Windows Vista ...

Visio 形状 是现成的对象，可将其拖到绘图页上，它们是图表的构建基块。. 当您将形状从“形状”窗口拖至绘图页上时，原始形状仍保留在模具上。 原始形状称为 主形状 。 在绘图上放置的形状是该主控形状的副本（也称为 实例 ）。 您可以根据需要将同一形状任意数量的实例拖至绘图上。

函数. 说明. cubekpimember 函数. 返回重要性能指示器 (kpi) 属性，并在单元格中显示 kpi 名称。 kpi 是一种用于监控单位绩效的可计量度量值，如每月总利润或季度员工调整。

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置> ”>“更新和安全 ”>“疑难解答”>“其他疑难解答”。 接下来，在“启动并运行”下，选择“Windows 更新” > “运行疑难解答”。 运行完疑难解答后，最好重启设备。

Keyboard shortcuts are keys or combinations of keys that offer a faster alternative to performing tasks typically done with a mouse. If you are trying to take a screenshot or screengrab, see How to take and annotate screenshots.. This article includes a list of keyboard shortcuts categorized as:

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)