Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Windows 11, version 21H2; July 9, 2024—KB5040431 (OS Build 22000.3079) June 11, 2024—KB5039213 (OS Build 22000.3019) May 14, 2024—KB5037770 (OS Build 22000.2960)

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.

Learn how to troubleshoot and fix problems with nearby sharing in Windows.

Obtén información sobre cómo solucionar problemas cuando la cámara no funciona en Windows o si ves errores con los códigos 0xA00F4244 o 0x200F4244.

Lists the error codes that may be reported by Device Manager and the possible resolutions in Windows.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

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.

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.