use windows 11 pro key in windows 10 pro

Question

I am having problem. I bought a windows 11 pro digital licence key but my application have many conflict and having problem to run my application I want to know if I can use the windows 11 pro key in windows 10 pro . please I need a sure answer ..

Answer 1

For third party applications contact the company for support.

Other options for application problems are:

a) placing the computer into clean boot:

https://www.elevenforum.com/t/perform-a-clean-boot-in-windows-11-to-troubleshoot-software-conflicts.2787/

https://www.tenforums.com/tutorials/41804-perform-clean-boot-windows-10-troubleshoot-software-conflicts.html

b) run the program compatibility troubleshooter:
Open administrative command prompt and copy and paste:
msdt.exe -id PCWDiagnostic

Click view detailed results.

Post images or share links displaying the results.

For share links use one drive, drop box, or google drive.

Consider making free backup images so that at any time you can restore an image:

(Acronis, Aoemi, EaseUS, Macrium, Paragon)

https://www.tenforums.com/tutorials/61026-backup-restore-macrium-reflect.html

A windows 10 license can be upgraded to windows 11 for free.

A windows 11 license can be downgraded to windows 10 for free.

To downgrade perform a custom install or clean install with a Windows 10 iso.

https://www.tenforums.com/tutorials/120352-custom-install-windows-10-a.html

https://www.tenforums.com/tutorials/148005-how-restore-files-windows-old-folder-windows-10-a.html

https://www.tenforums.com/tutorials/1950-clean-install-windows-10-a.html

https://www.tenforums.com/tutorials/2376-create-bootable-usb-flash-drive-install-windows-10-a.html

https://www.tenforums.com/tutorials/9230-download-windows-10-iso-file.html

https://www.microsoft.com/en-us/software-download/windows10

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