Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to set up a connection to a proxy server on your Windows PC.

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

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

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

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.

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.