Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

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.

Windows でカメラが動作しない場合、または0xA00F4244 もしくは 0x200F4244のエラー が表示される場合のトラブルシューティング方法について説明します。

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

若要下载 Internet Explorer 11 的脱机安装程序，请选择下面的语言和系统。

Erfahren Sie, wie Sie die App „PC-Integritätsprüfung“ verwenden, um die Leistung Ihres Geräts zu verbessern.

This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.

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: