修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题,则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11,您可能需要授予应用使用它的权限。
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Troubleshooting calls in the Phone Link - Microsoft Support
Troubleshooting steps for the calling feature of the Phone Link app.
Troubleshooting tips for installing and updating Microsoft Edge
Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.
Set screen time limits across devices - Microsoft Support
Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.
Applies To: Microsoft Family Safety
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
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。
Sign in and create multiple profiles in Microsoft Edge
With Edge Chromium, you can add multiple profiles. Profiles allow multiple users to operate in a shared environment while maintaining access to their personalized browser settings, bookmarks, and extensions.
Scaricare e installare o reinstallare Microsoft 365 o Office 2021 in un ...
Informazioni su come installare, reinstallare o attivare Microsoft 365 o Office 2019 in un PC o un Mac.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com