Se describe cómo utilizar la herramienta Comprobador de archivos de sistema para solucionar problemas relacionados con archivos de sistema que faltan o están dañados en Windows 8.1, Windows 8, Windows 7 o Windows Vista.

注意: 实时字幕在 Windows 11 版本 22H2 及更高版本中提供。 在运行 Windows 11 版本 24H2 及更高版本的 Copilot+ 电脑上 提供翻译功能。 有关 Windows 11 中的新功能的详细信息，请参阅 最近 Windows 更新中的新增功能。

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

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。

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.