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.

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

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.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account.

Cloud gaming on third-party services. Learn about cloud gaming on Xbox using your Android, iOS, or Windows device.

如果迁往新的国家或地区，而账户地区和实际位置不匹配，则可能会遇见“地区封锁”的错误，或者在购买时遇到问题。. 必须拥有一个有效的帐单地址和符合所在地的支付选项。. 如果已搬离并需要更新地区信息，请参阅关于搬迁的文章，并按照指示更改信息 ...

Getting the most out of Microsoft Rewards. Here are some best practices for earning Microsoft Rewards points so you can redeem them for gift cards, games, sweepstakes, nonprofit donations, and more.

我是否需要 Ubisoft 帐户和 Ubisoft Connect 才能在 Windows 设备上玩 Ubisoft 游戏？. 是的，Xbox Game Pass 成员需要链接其 Xbox 和 Ubisoft 帐户，然后下载 Ubisoft Connect，然后才能使用其 Game Pass 订阅玩 Ubisoft 游戏。. 有关在电脑 Game Pass 上访问 Ubisoft 游戏的详细信息，请访问 ...

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.

如何使用云游戏. 注意 云游戏不支持本地多人游戏。. 目前，它一次仅支持一个玩家和一个帐户。. 云游戏需要 Game Pass Ultimate 或受支持的免费玩游戏服务。. 加入 Xbox Game Pass Ultimate. 部分地区当前支持云游戏。. 有关支持云游戏的国家或地区列表，请参阅以下内容 ...