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

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.

Report a scam. 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.

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

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.

如果你是 Xbox Game Pass Ultimate 会员，你将自动在主机上获得 EA Play 订阅会员资格，并可通过主机上的 Xbox Game Pass 体验浏览和下载 EA Play 游戏。. 如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员，则需要关联你的 EA 和 Xbox 帐户，然后确保你的电脑上安装了 EA Desktop ...

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

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.

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.

当你尝试兑换在 Xbox One 或 Xbox.com 上购买的数字代码时收到以下错误消息之一：. 兑换其他充值码。. 你尝试兑换的充值码所针对的货币与你的帐户位置不符。. 如果你更改了你的位置，请在“设置”中更新与你的账单帐户相关联的位置。. 此充值码在你所在地区不 ...