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.

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.

Check for Windows updates. Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

透過 Microsoft Rewards 獲得點數. 做您每天都在做的事，就可以獲得獎勵點數。. 既輕鬆又免費。. 您所要做的只是註冊，Microsoft Rewards 就會包含在您的 Microsoft 帳戶中：. Microsoft Rewards. 註冊之後，請登入 Microsoft 帳戶來查看您目前的點數。. 您也可以在 Bing.com 上的 ...

你尝试在 Xbox One 主机或 Windows 10 设备上下载和安装某游戏时，看到以下错误代码和消息：. 0x80073CF3. 请等待几分钟，然后重试。. 更新失败。. 这说明你的主机或 Windows 10 设备上已存在该游戏的现有版本。.

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.

了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。.

Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.

Use Microsoft Bluetooth Mouse. Microsoft accessories. Windows 11 Windows 10. The Microsoft Bluetooth Mouse is designed to be your go-to mouse for precise scrolling and navigation. The compact design makes it easy to be productive on the go.

如果你使用的是 Xbox Series X|S、Xbox Elite 无线控制器系列 2 或 Xbox 自适应控制器，请使用 USB-C 缆线连接控制器。. 如果 Windows 设备从睡眠状态唤醒后无法检测到控制器，请按控制器上的 Xbox 按钮 将其重新启用，或从设备上拔下电源，然后再将其重新插入。. 注意 ...