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 sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.