Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to use the PC Health Check app or manual steps to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how the upgrade offer is based on various factors and how to refresh the assessment.

Learn how to download and install Microsoft 365 or Office 2019, 2016, or 2013 on your PC or Mac. Find out how to activate Office, troubleshoot issues, and switch languages or bit versions.

Learn how to remove a device from the Phone Link app on your Android or Surface Duo device and your PC. Follow the steps for both devices and sign out of your Microsoft account on the web page.

Learn how to add, remove, connect, and disconnect user accounts in Windows 10 and Windows 11. User accounts let each person have their own settings, documents, and applications, and can help with security and privacy.

Learn how to get a refund for digital game products purchased from the Microsoft Store or Xbox apps. Find out the eligibility criteria, guidelines, and resources for refund requests.

Learn how to switch out of S mode in Windows 11 or Windows 10 to install apps from outside of the Microsoft Store or to upgrade to Windows 11. S mode is only available in Windows 11 Home edition and is not available in Windows 11 Pro, Enterprise, or Education editions.

Learn how to update your security verification methods for your work or school account, such as Microsoft Authenticator app, app passwords, and trusted devices. To disable MFA, you need to sign out of all your devices and follow the steps to turn off two-factor verification.

Find solutions to common problems, or get help from a support agent for Microsoft 365, Office, Windows, Xbox, Surface and more. Sign in to get personalized help and access live chat, phone, or email options.

Learn how to use the SetupProd_OffScrub.exe file to uninstall Office from your computer. Follow the steps for different web browsers and Office versions.