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.

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

Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

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。.

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 ...

Restore from a system restore point. 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.

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

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.

首先需要查看 Windows 11 是否已激活并链接到你的 Microsoft 帐户。. 将 Microsoft 帐户链接到设备上的 Windows 11 许可证是至关重要的。. 通过将 Microsoft 帐户与数字许可证链接，可以在进行重大硬件更改时使用“激活”疑难解答程序重新激活 Windows。.

Windows 11 Windows 10. 你可以为经常使用你电脑的任何人创建本地用户帐户（脱机帐户）。. 但在大多数情况下，最好的选择是使用你电脑的每个人都拥有 Microsoft 帐户 。. 使用 Microsoft 帐户，你可以跨设备访问你的应用、文件、和 Microsoft 服务。. 如果需要，本地用户 ...