Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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.

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.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

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.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

在将你的 Xbox 主机、Kinect 传感器或 Xbox 配件（如控制器）送修前，要确保将其妥善打包以便装运。本页介绍了推荐的产品包装方式。

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site.

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.