You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

To see if your device is compatible: Look for your device in the list of Surface models that can be upgraded to Windows 11.. If you're not sure which Surface device model you have, look in the Surface app.

Learn how to use Wi-Fi 7 and Wi-Fi 6 and WPA3 in Windows for better wireless coverage and network security.

Learn how to use Windows accessibility features to make your mouse, keyboard, and other input devices easier to use.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Learn how to manage your Microsoft account and profile settings, such as changing your password, security info, email preferences, and more.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

本文介绍如何在 Windows 8.1、Windows 8、Windows 7 或 Windows Vista 中使用系统文件检查器工具来解决丢失或损坏的系统文件的问题。

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