I tend to like every other one... 3.1, 98, 2000, xp, 7, 10...maybe 12?well see of the pattern continues.
I find Microsoft releases a good os... Gets drunk and comes up with crazy ideas... Refines ideas into usable os.... Gets drunk and more crazy ideas... Repeat
The problem is most people don't want to be hundred billionaires in 20 years, they want to be 10 millionaires by the end of the month. To do that you don't go for great products, you go for good products you can make sound great to other people and hope other people are stupider than you.