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.

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

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.

赚取积分. 我们一直在添加新的积分赚取方式，你可以经常查看 Microsoft Rewards 网站掌握这些方法。. 有关详细信息，请参阅：. Microsoft Rewards. 注意 若要完成 Microsoft Rewards 任务，需要拥有有效的 Xbox Game Pass 订阅。. Xbox Game Pass 任务是从 Xbox Game Pass 库玩游戏时赢得 ...

了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。.

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.

Windows 10. 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.

Windows 11 Windows 10. The Microsoft Bluetooth Mouse is designed to be your go-to mouse for precise scrolling and navigation. The compact design makes it easy to be productive on the go.

This article is about ways to protect your PC from viruses that can screw up your computer, or allow criminals to steal your data, personal information, or money. Use an anti-malware app - Installing an anti-malware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software).

Choose how much information you want to share with Microsoft by changing your privacy settings. To do this, select Start , then open Settings , and select Privacy & security . You'll see a list of general privacy options. There are links to specific privacy settings on the left of the page.