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.

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

Set the region, device language, and spoken language for your products and services.

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.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

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.

Follow these steps to reset your Microsoft account password. If you know the email address that you used to set up your Microsoft account (which is used to sign in to your Xbox profile), you can reset your password now: Go to Reset your password and enter your email address.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. You can give feedback by selecting Help from the top menu, then Feedback. If you need help with Outlook.com, you can read our self-help content, or get support via email.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。. 最多可以添加 10 种不同的方法来验证登录，并且可以选择：. 电子邮件地址或电话号码 。. 它不一定是你的 - 如果你希望使用它来验证你的帐户，你只需要能够访问它。. 你 ...