Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

DirectX 简介 DirectX 是 Windows 中的一组组件，允许软件（主要且尤其是游戏）直接与视频和音频硬件结合使用。 使用 DirectX 的游戏可以更有效地使用内置于硬件的多媒体加速器功能，从而改善你的整体多媒体体验。 本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

开始之前 你的 Surface 附带 Windows 恢复信息，可使用它恢复 Surface 或将其重置为出厂状态。 请在下载恢复映像前始终先尝试这样做。

你也可能喜欢... 除了 Windows 聚焦之外，还可以每天在桌面上看到一张包含 必应壁纸 的新图像。 想体验更多桌面背景和颜色？ 请访问 Microsoft Store，从多种免费主题中进行选择。 打开 Microsoft Store 如果你是管理员，则可以 在锁屏界面上配置 Windows 聚焦 。

Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.

Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it. Note: Downloading and installing Windows 11 will most likely take longer than a typical Windows 10 feature update.