The product key is preinstalled on your PC, included with the packaging the PC came in, or included on the Certificate of Authenticity (COA) attached to the PC.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard

了解如何在移动设备、Windows 设备或 Xbox 主机上兑换 Microsoft/Xbox 礼品卡或其他代码。

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。 这包括从第三方在线经销商处进行的购买，这些经销商推销的充值码价格低于零售价。

Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

详细了解最新版本 Xbox 无线控制器上的按钮、扳机和控制杆。

如果 Xbox 应用（而不是游戏）遇到问题，请尝试从 Microsoft Store 重新安装应用。 若要获取对电脑游戏安装和启动问题的支持，请按照下面的解决方案操作。

Tip: Instead of manually entering defined names in formulas, you can have Excel do it automatically for you.Go to Formulas > Defined Names > select Use in Formula, and then select the defined name you want to add.Excel adds the name to the formula.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.