Automatically update Windows 10, Windows 11, and Surface drivers and firmware. After following the preparation steps, see Update Windows to learn how to check for updates and install them. Or select the Check for Windows updates button below to open Windows Update in Settings. Check for Windows updates.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Language packs for Windows. Use the Add a language feature to install another language for Windows 11 to view menus, dialog boxes, and supported apps and websites in that language. To do this: Select Start > Settings > Time & language > Language & region. Go to Preferred languages, select Add a language. In Choose a language to install, enter ...

Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1.

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.

The enablement package is a great option for installing a scoped feature update like Windows 11, version 23H2 as it enables an update from version 22H2 to version 23H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.

The Microsoft .NET Framework 4.6.2 is a highly compatible in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, and 4.6.1. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.

Using the Windows Activation troubleshooter. Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. If you're unable to activate Windows 11, the Activation troubleshooter could help.

使用“添加语言”功能再为 Windows 11 安装一种语言，以查看该语言的菜单、对话框和支持的应用及网站。. 为此，请执行以下操作: 选择“ 开始 ”>“ 设置 ”>“ 时间和语言 ”>“ 语言和地区 ”。. 打开语言设置. 前往“ 首选语言 ”，选择“ 添加语言 ”。. 在 ...