Use the System File Checker tool to repair missing or corrupted system ...
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. true.
Create installation media for Windows - Microsoft Support
Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.
Create a recovery drive - Microsoft Support
To download Windows 11 installation media, see Recovery options in Windows. Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
Recover lost files on Windows 10 - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.
Update your Xbox Wireless Controller
Keeping your controller updated with the latest software maximizes your controller's capabilities and compatibility. You can update your controller wirelessly, with a USB connection, or on a PC using the Xbox Accessories app. If you encounter any issues while updating your controller, go to: I can’t update my Xbox controller.
Update your security processor (TPM) firmware - Microsoft Support
Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.
Reinstall Windows - Microsoft Support
Use this chart to help you decide which option to use to reinstall Windows 11. We recommend that you first try to " Reset Windows 11," then, if needed, " Reinstall Windows 11 using installation media," and then, if needed, try a " Clean install of Windows 11 using installation media."
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Find your BitLocker recovery key - Microsoft Support
When you are prompted to enter a BitLocker recovery key, take note of the first 8 digits of the recovery key ID. The recovery key ID helps identifying which recovery key to use, in case you have more than one. Where can I find a BitLocker recovery key?