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Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To: Microsoft account dashboard
Give your PC a Fresh Start - Microsoft Support
Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.
Avoid and report Microsoft technical support scams
If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
All about PC gaming with Xbox | Xbox Support
How to make PC games work better. Troubleshoot game audio or video issues on Windows. Troubleshoot gameplay, performance, and stability issues on a Windows device. How to get software and driver updates for Windows devices. Optimize available storage by customizing game installations.
Windows Update Troubleshooter - Microsoft Support
Select Start > Settings > Windows Update > Check for updates and then install any available updates. If the problems aren't all resolved, try running the troubleshooter again to check for additional errors, or see Fix Windows Update errors and follow the troubleshooting steps.
使用 Xbox 主机或 Windows 设备时发生 0x80070490 或 80070490 错误
查看此处以了解我们当前正在跟踪的已知游戏问题,并了解可以对其执行的操作。. . 尝试打开指南、打开 Xbox 主机或尝试在 Windows 设备上启动游戏或应用时,会看到以下错误代码和消息:. 出现问题… 0x80070490. 这可能意味着 Xbox 或电脑遇到了意外错误。.
Ways to install Windows 11 - Microsoft Support
Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.
Use Microsoft Bluetooth Mouse - Microsoft Support
Learn how to use the Microsoft Bluetooth Mouse.
使用截图工具捕获截图 - Microsoft 支持
拍摄快照以从全部或部分电脑屏幕上复制字词或图像。. 使用截图工具进行更改或作笔记,然后保存和共享。. 捕获以下任意类型的截图:. 自由格式截图. 在对象周围绘制自由形状。. 矩形截图. 绕对象拖动光标以构成一个矩形。. 窗口截图. 选择一个要捕获的窗口 ...