修复 Windows 中的 USB-C 问题 - Microsoft 支持
学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。
Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
Remove specific prevalent malware with Windows Malicious Software ...
Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.
What is HDR in Windows 11? - Microsoft Support
Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.
Create professional slide layouts with Designer - Microsoft Support
Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, PowerPoint for iPad, PowerPoint for Android tablets, PowerPoint Mobile
Windows 10 update history - Microsoft Support
Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.
Sign in and get started with Teams - Microsoft Support
Learn how to log in to Microsoft Teams using our step-by-step guide. Stay connected with your team and start collaborating!
Applies To:
Microsoft Teams
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To:
Microsoft account dashboard