Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

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.

Windows 11 版本 23H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览

This article describes how to change keyboard layouts in Windows 7 and earlier versions of Windows.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

了解如何查找电脑正在运行的 Windows 操作系统版本和设备规格。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Prøv disse løsninger, hvis du ikke kan logge på din Outlook.com-, Hotmail-, Live- eller MSN-mailkonto, eller hvis du ikke er sikker på, hvordan du logger på eller af.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。