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.

Check if you have an Exchange account in classic Outlook. How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

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 库玩游戏时赢得积分的绝佳 ...

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.

如何了解游戏是否能在 Windows 设备上玩. 如果使用的是 Windows N 版本，则可能需要下载其他软件。. 这些软件可以免费下载。. 要执行该操作，请参阅：. Windows N 版本的媒体功能包列表. 我的游戏是一款 Xbox Play Anywhere 游戏。. 这是什么意思？. 购买数字版的 Xbox Play ...

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.

了解如果尝试在 Xbox One 或 Windows 10 设备上安装某游戏时出现 0x80073CF3 错误该如何操作。.

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.