Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

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sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

Entfernen einer Erweiterung aus Microsoft Edge. Um eine Erweiterung zu entfernen, wählen Sie eine der folgenden Methoden: Wählen Sie in Microsoft Edge das Symbol der zu entfernenden Erweiterung aus und halten Sie es gedrückt (oder klicken Sie mit der rechten Maustaste darauf) (rechts neben der Adressleiste des Browsers).

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Important: Apps for Office have a new name: Office Add-ins. We are currently updating our products, documentation, samples, and other resources to reflect the platform name change from "apps for Office and SharePoint" to "Office and SharePoint Add-ins". We made this change to better distinguish the extension platform from Office apps ...

Info: Basic information about the preview, including eligibility requirements.; Announcements: The latest news about the preview, including release notes, scheduled play times, and contests.; Activities: Quests: Scenarios that you can step through and provide feedback about the experience.Complete quests to earn XP. Surveys: A quick way for you to send feedback to developers about a preview ...

了解如何在 Microsoft Edge 中启用 Adobe Flash。