Find out how to boot into safe mode in Windows 10 from Settings and the sign-in screen, as well as how to exit safe mode.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

这是因为全球大部分能源，都通过燃烧化石燃料获得。 Microsoft 致力于降低产品的能源使用（包括设备闲置时）对环境造成的影响。 启用节能设定，您无需担心设备闲置时会耗电——屏幕和睡眠设定会在您不使用设备时，转为低能耗状态。

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

How to open all of your Favorites Bar shortcuts in the Microsoft Edge web browser.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

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

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.