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。

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

Learn how to log in to Microsoft Teams using our step-by-step guide. Stay connected with your team and start collaborating!

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

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.

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.

Learn about what effect closing a Microsoft account might have on your other apps and services.

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

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

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.