The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

To find out if an app or program is installed in Windows, select Start > Settings > Apps.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

借助电脑和手持设备上的 Xbox 应用，你可以将任何游戏或应用添加到 Xbox 库，以便在一个位置轻松访问所有收藏夹。在添加任何应用之前，通过单击个人资料图片并转到“设置”>，确保已启用库中的“我的应用”选项卡;库 & 扩展 >我的应用 >在库中显示“我的应用”。

Windows 11 Windows 10 Summary This article explains how to run older apps and programs on the latest version of Windows by fixing common compatibility issues. With each new version of Windows, users often experience compatibility issues with older apps or programs. This guide explains why such issues occur and provides practical solutions to address them. Why do apps become incompatible Apps ...

Windows troubleshooters Network and internet troubleshooter Use the network and internet troubleshooter if you are having difficulty connecting to the internet or other network. Open the Get Help app. In the Search bar, enter connect to network and internet⁠.⁠ Select Run network diagnostics. Complete any troubleshooting steps provided until you can connect successfully.

Windows 11 Windows 10 Summary This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. 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. Repair options from the Settings page Select Start > Settings > Apps ...

Learn how to optimize system performance by managing startup applications in Windows.

Learn how to change default apps and protocol handlers in Windows, including an example about how to configure the default browser.

If File Explorer won’t open or start in Windows, it makes everyday tasks like finding files, opening folders, or managing storage difficult. This article walks through simple troubleshooting steps—such as checking for updates, restarting your device, and resetting Windows—to help restore File Explorer and get it working again.