This is not an OEM License and installs on any PC new or not. On which he already has a prior version of Windows or nothing. I personally installed on a new PC installed myself. Perfect installation / easy / simple. By cons, once installed ... Windows 8 represents a big change and the use is not as intuitive as the Mac or WIndows than previous iterations (I think especially to XP but my comment is also valid windows 7). I have a lot to look going on. Hence the star less.