从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

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

The Microsoft Wireless Display Adapter is a strong, reliable way to project your content, photos, and videos to a big screen.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

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.

Learn how to manage background activity for apps to help save battery power in Windows.

Learn how to use your voice to create and edit documents in Word with the Dictate feature. Find out how to enable, customize, and troubleshoot Dictation.

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.

Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.