Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
Office Help & Training
We would like to show you a description here but the site won’t allow us.
Microsoft PC accessories help & learning
Microsoft Accessory Center app. Customize your Microsoft Modern accessories, like audio accessories or webcams. Get Microsoft Accessory Center
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To: Microsoft account dashboard
Office Help & Training
We would like to show you a description here but the site won’t allow us.
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Activate Windows - Microsoft Support
To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:
Soporte técnico de Microsoft
El soporte técnico de Microsoft está aquí para ayudarle con los productos de Microsoft. Encuentre artículos de procedimientos, vídeos y formación sobre Microsoft 365 Copilot, Windows, Surface y mucho más.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)