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

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.

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.

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

NAT type on Windows displays "Teredo is unable to qualify". If you can’t connect to an Xbox multiplayer game on Windows 10, go to Settings > Gaming > Xbox Networking. Look for NAT Type. If the status says Teredo is unable to qualify, it means your PC is unable to obtain a Teredo IP address.

Automatically update Windows 10, Windows 11, and Surface drivers and firmware (Recommended) Manually update Surface drivers and firmware (Advanced) You'll find the links for drivers after choosing your Surface model in the dropdown list in this section.

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.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.

If a device is updating from Windows 10, version 1909 or an earlier version, this feature update enablement package cannot be manually installed. Instead, it is bundled and automatically included with the feature update to Windows 10, version 22H2.

Fix Outlook.com email sync issues, including sign-in problems. Troubleshoot Outlook.com email issues that trigger a "delivery failed" error. Troubleshoot known issues with shared calendars in Outlook. Reconnect my Outlook 2016 or Outlook 2013 account to Outlook.com.