Get help with a digital code or gift card | Xbox Support
Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
Office Help & Training
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如何更改用户帐户名称 - Microsoft 支持
Windows 设备上的用户帐户名称显示已登录 Microsoft 帐户或工作/学校帐户的名称。 若要更改登录的用户，请选择任务栏上的 ...
Use Microsoft Teams on the web - Microsoft Support
The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.
Applies To:
Microsoft Teams
电话链接要求和设置 - Microsoft 支持
系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。
Share OneDrive files and folders - Microsoft Support
Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Sign in to sync Microsoft Edge across devices
With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.
激活 Windows - Microsoft 支持
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。
Windows help and learning
Find help and how-to articles for Windows operating systems, including installation, updates, privacy, security and more.