Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.

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 remove apps and programs from your Windows 10 or 11 device using different methods. Find tips and troubleshooters for common issues and errors.

Learn how to enable virtualization on Windows 11 to run Android or Linux apps on your device. Follow the steps to access the UEFI (or BIOS) and turn on Virtual Machine Platform in Windows.

Learn how to update your Xbox controller wirelessly, with a USB cable, or on a PC using the Xbox Accessories app. Updating your controller maximizes its capabilities and compatibility with your Xbox console or PC.

Learn how to use PC Health Check app to check your device health, battery capacity, storage capacity, startup time, and Windows 11 eligibility. Find out how to install, update, and troubleshoot the app.

Learn how to restore files from a backup or a previous version after you can't find them on your computer or you deleted them by mistake. Follow the steps to access previous versions of files and folders from Windows Backup or restore points.

Learn how to locate your BitLocker recovery key, a 48-digit number needed to unlock an encrypted drive in Windows. See where to find it attached to your Microsoft account, work or school account, printout, or USB flash drive.

Windows 11, version 23H2 is a scoped feature update that activates new features in Windows 11, version 22H2. Learn how to install the enablement package that turns on the new features with a single restart.

Learn how to troubleshoot sound or audio issues in Windows 11 or Windows 10 with step-by-step instructions and tips. Check your speaker output, run the audio troubleshooter, update or uninstall your audio driver, and more.