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 use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

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。

Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.

Set up email in Outlook. By pressing submit, your feedback will be used to improve Microsoft products and services.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

With the Phone Link, you can instantly access the Android apps installed on your mobile device right on your PC. Using a Wi-Fi connection, Apps allows you to browse, play, order, chat, and more — all while using your PC’s larger screen and keyboard.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

Learn how to view, manage, and delete cookies in Microsoft Edge.