I think you would need to contact Microsoft about this as from what I've found, you should be able to install the media pack on N and KN systems.
https://www.microsoft.com/en-gb/download/details.aspx?id=48231How are you attempting to install - clicking on Run on the download or Save to manually install.
Are you getting any error messages on the install ?
My brother has a Dell laptop and there were some compatibility problems in getting the feature update 20H2 which Microsoft knew about with Dell, but I think that has been resolved.
There may be similar problems that is causing your installation problem and contacting MS may be the only answer.