Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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.

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

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.