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 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.

Tech support scams adapt and persist in 2021, per new Microsoft research. How to spot a "fake order" scam. Microsoft security help & learning. Learn how to protect your PC, identity, and data from tech support scams.

Check here for the known game issues that we're currently tracking and find out what you can do about them. Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

查找 Xbox 主机 ID、设备 ID 和序列号. 若要为你的 Xbox Series X|S 或 Xbox One 主机注册或请求维修，你需要知道序列号。. 你可能还需要知道主机 ID 或设备 ID。. 只能在“设置”中查找主机 ID。. 主机 ID 不同于主机序列号。. 按 Xbox 按钮 打开导航页。. 选择“档案和系统 ...

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.

注册或注销 Xbox 设备. 在注册 Xbox 主机或配件时，你可以申请和跟踪维修、查看保修状态。. 如果你不再使用或不再拥有设备，也可以将其注销。. 如果你这样做，则将自动断开与 Microsoft Store 的链接，从而取消与将来下载游戏和应用的关联。. 全部折叠. 注册你的 ...

To find a customer service phone number in your country, please click a region and find your country.

在日本获取 Skype 号码的要求是什么？. 根据日本法规，自 2023 年 6 月 12 日起，当你请求 Skype 号码 在日本，需要通过验证流程才能购买号码。. 完成验证流后，你将获得所选的 Skype 号码。. 以下是下订单后可能发生的情况： 您必须上传身份证 (护照、我的号码卡 ...

屏幕镜像和投影到电脑或无线显示器. Windows 11 Windows 10. 如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到电脑。. 请注意，需要支持 Miracast 的设备。. 下面介绍如何将另一个屏幕或项目 ...