A friend of mine used to be a network installer for the US Army and ended up having a USB stick that provided you with basically unlimited licenses for installs of 7 Ultimate. None of his PCs had to pay to be upgraded to 10 
A friend of mine used to be a network installer for the US Army and ended up having a USB stick that provided you with basically unlimited licenses for installs of 7 Ultimate. None of his PCs had to pay to be upgraded to 10