Use Find my device to locate and lock your lost or stolen Windows devices.

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。

Use the People page in Outlook.com to view, create, and edit contacts and contact lists. Create new contacts from scratch, or add someone as a contact from an email message.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

Get answers to common questions about WordPad. Here are a few tips to help you use WordPad: To open and save files, select File, then select New to create a new document, Open to work with an existing document, or Save to save your document.(If your document doesn't have a name, WordPad will ask you to provide one.)

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.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.