修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

了解如何排查 Windows 中的蓝牙问题。 解决连接蓝牙设备或配件时出现的问题。

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

使用 Windows 设置应用更改桌面背景和颜色。