Yes just not legal (well it is sort of legal if you consider the EULA is not a law just don't advertise you are doing it). On the other hand, OSX would be the

Yes just not legal (well it is sort of legal if you consider the EULA is not a law just don't advertise you are doing it). On the other hand, OSX would be the worst OS to install on a convertible tablet/laptop - you're better off with Linux.