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
Recovery options in Windows - Microsoft Support
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.
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.
How home Xbox and game sharing work | Xbox Support
Important You can download, play, and share your digital games on any Xbox console without having to switch your home Xbox. This is handy if you have a second console or play on a friend’s console. Everyone can enjoy your games if the console is online and everyone is signed in to the Xbox network.
分享 Xbox Game Pass 订阅 | Xbox Support
下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理. 在外：在任意其他 Xbox 上 ...
PC 版 Game Pass 常见问题解答 | Xbox Support
PC 版 Game Pass 计划让你可以在 Windows 10/11 设备上畅玩一组高质量的电脑游戏。. 体验 PC 版 Game Pass 的最佳方式是使用适用于 Windows 的 Xbox 应用，可从 Microsoft Store 或以下位置下载：. 适用于 Windows 的 Xbox 应用.
Windows 11 and Secure Boot - Microsoft Support
Ways to install Windows 11. Windows help & learning. Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.
确保你的 Xbox 数字订阅适用于你所在的国家或地区 | Xbox Support
为了确保 Xbox Live Gold 订阅服务的定价反映当地市场行情，Xbox Live Gold 订阅卡只能在购买所在的国家或地区兑换，而不能在其他国家或地区兑换。. 如果需要在线购买 Xbox Live Gold 订阅卡，我们强烈建议从所居住的国家或地区购买，以避免出现潜在的问题。.
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.
欢迎使用 Windows
在Windows 10电脑上尝试Windows 11. 最近 Windows 更新中的新增功能. 了解Windows 11. 升级到 Windows 11: 常见问题解答. 获取Windows 11. 比较 Windows 10 和 11.