Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
Find your Office product key - Microsoft Support
Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.
PC 正常性チェック アプリの使用方法 - Microsoft サポート
PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。
配置 Windows Hello - Microsoft 支持
如果你的设备没有附带其中一个，你可以购买一个可以通过 usb 连接到设备，从许多热门零售商中的任何一个。 选择一个选项，选择 “设置” 按照说明完成 Windows Hello 的配置
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。
Applies To:
Outlook.com
Introducing Microsoft Phone Link and Link to Windows
Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Install Quick Assist - Microsoft Support
Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.
在更换硬件后重新激活 Windows - Microsoft 支持
在 Windows 11 中，必须将 Microsoft 帐户与设备上的 Windows 11 数字许可证联系起来。 通过将 Microsoft 帐户与数字许可证链接起来，即可在进行重大硬件更改时使用激活疑难解答程序重新激活 Windows。
Windows keyboard tips and tricks - Microsoft Support
Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.