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.

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

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.

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 ...

Getting the most out of Microsoft Rewards. Here are some best practices for earning Microsoft Rewards points so you can redeem them for gift cards, games, sweepstakes, nonprofit donations, and more.

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.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

获取 iPad版Skype 的 Skype 购买和付款 支持，不论身在何处，都能与朋友和家人保持联系。.

重置忘记的 Microsoft 帐户密码. 如果知道密码，但只想更改密码，请转到 “account.microsoft.com 安全 ”选项卡，然后选择“ 更改我的密码 ”。. 如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作 。. 1. 选择“忘记了密码？. 如果“输入密码 ...