if you are using windows 8 or 8.1 then check the compatibility settings they might be set to windows 7 or something and the setup will wont work 
I use Windows 8.1 and I have no issues.
It also worked when I had Windows 8.
Your statement is invalid, but I suppose it's worth a shot.
But if you look at his installer, you can easily see that he is using a "Windows 7 Basic" theme. So your point stays invalid to this case lol.