Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)
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.
Install a language for Windows - Microsoft Support
Select Start > Settings > Time & language > Language & region. Choose a language from the Add a language list under Preferred languages, and then select Options. Select Download from the Download language pack option. After the language pack is installed, select Back.
How to obtain Microsoft support files from online services
The Microsoft Download Center provides: Microsoft drivers, service packs, updates, hotfixes, and other support files. A single starting point for all downloadable files. The ability to search the whole Microsoft.com site for downloadable files. Reduced time in finding these files.
Find your BitLocker recovery key - Microsoft Support
Find your BitLocker recovery key. Windows 11 Windows 10. A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.
Download drivers and firmware for Surface - Microsoft Support
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.
Recovery options in Windows - Microsoft Support
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.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
.NET 6.0 Update - Microsoft Support
This update is available on Microsoft Update for Windows client operating systems and available on WSUS and MU Catalog for Windows Server operating systems. Prerequisites. This update will be offered if you have .NET 6.0 installed on a supported version of Windows. Restart Requirement.