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

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

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.

使用 Microsoft Rewards 赢得积分. 做日常所做的事，即可赢得奖励积分。. 这很简单，而且免费。. 只需注册即可将 Microsoft Rewards 包含在 Microsoft 帐户中：. Microsoft Rewards. 注册后，登录到 Microsoft 帐户可查看当前积分。. 在 Bing.com 上，还可在帐户名称旁看到总积分。.

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.

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。.

在将你的 Xbox 主机、Kinect 传感器或 Xbox 配件（如控制器）送修前，要确保将其妥善打包以便装运。本页介绍了推荐的产品包装方式。

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

对退款电子邮件有疑问？. 我们现在正在调查此问题。. 在此期间，登录到你的帐户以查看最新的退款请求状态。. 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 ...