this is the primary problem to begin with.

MS windows installs are not being purchased because they are better or more desirable, the option to purchase non MS installs has been scuttled by MS licensing and bundling thier way into exclusive OEM installs.

Bundling of Microsoft Windows

https://en.wikipedia.org/wiki/Bundling_of_Microsoft_Windows

Microsoft litigation

https://en.wikipedia.org/wiki/Microsoft_litigation