Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

If you forgot your Microsoft account password, follow these steps. Select Reset password below. Enter the email address, phone number, or Skype name you use to sign in then select Next. We'll ask where you'd like to get your verification code and select Next. Type the requested information and select Send code.

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

Select Create installation media (USB flash drive, DVD, or ISO file) for another PC, and then select Next. Choose a language, edition, and architecture (64-bit or 32-bit), and then select Next. Select USB flash drive, and then select Next. Follow the steps to create installation media, and then select Finish.

通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...

请求更换 Xbox 控制器. 如果您的Xbox配件出现功能问题需要更换，可以前往当地服务站点进行确认，或可以通过页面右上方“与我们联系”按钮和Xbox售后技术支持取得联系。.

获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...

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.

註冊裝置之後，請按照下面的步驟進行：. 請使用您的 Microsoft 帳戶認證資料，以登入 [裝置服務] 網站。. 選取要維修的裝置。. 請按照畫面上的步驟來完成服務訂單要求。. 裝置服務部門收到您提交的訂單後，會寄給您一組服務訂單編號及訂單確認電子郵件 ...

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