How do I use the BIOS/UEFI on Surface Pro 3 and earlier devices
Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro models and Surface 3.
Get Windows updates as soon as they're available for your device
Learn how you can get the latest available features and enhancements if you have Windows 11, version 22H2 or later.
Troubleshoot issues with the Xbox app for Windows
Learn how to troubleshoot problems installing or running games from the Xbox app for PC.
在 Microsoft Edge 中保存或清除密码 - Microsoft 支持
在浏览 Web 时，Microsoft Edge 可以轻松保存密码。 在桌面或移动设备上的 Edge 浏览器中输入新密码时，Microsoft Edge 会询问你是否要记住用户名和密码。
在 Windows 中管理用户帐户 - Microsoft 支持
了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。
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。
Account & profile | Xbox Support
Find everything you need to manage your Xbox account, profile, and more.
Office Help & Training
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Internet Explorer Downloads - Microsoft Support
Download the latest internet browser recommended by Microsoft from the official support page.
下载 Internet Explorer 11（脱机安装程序） - Microsoft 支持
若要下载 Internet Explorer 11 的脱机安装程序，请选择下面的语言和系统。