Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

Learn how to troubleshoot and fix problems setting up your email in Outlook.

To play a recorded meeting in Microsoft Teams, go to the chat history of the meeting and click Play.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Aprende a conectar un dispositivo Bluetooth en Windows y ajustar la configuración de emparejamiento de Bluetooth.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

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