Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

在 Android 和 iOS Microsoft Edge浏览新应用。 Microsoft Edge 提供了更好的保护和隐私，可以跨桌面和移动设备同步你的收藏夹、密码等。

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.

Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.

了解如何使用截图工具捕获屏幕上任何对象的屏幕截图或截图，然后批注、保存或共享图像。 在“截图工具”中，选择“模式”。 在早期版本的 Windows 中，选择“ 新建”按钮旁边的箭头。 接下来，选择所需的截图类型时，将看到整个屏幕略微更改为灰色。

Windows 更新可帮助解决电脑问题。 使用 Windows 更新 修复问题是一种恢复工具，可帮助解决与更新相关的问题。使用此工具将在设备上重新安装当前版本的 Windows。 此工具可保留所有应用、文档和设置。