People write software for money, and sell it for money. Version N comes with one year of support, or until version N+1 clocks. Enterprise software sells for ev

People write software for money, and sell it for money. Version N comes with one year of support, or until version N+1 clocks. Enterprise software sells for even more money, and the above is even more true, usually backed up with lawyers, PR campaigns, etc. Windows 7, 8, and 10, sound to the average person more reasonable that: (from the article): 1612.0009, 1612.0013, 1701.0253 Thus, they are not only a rock solid pattern, they are the bloody unwritten standard and more so everybody's daily expectation.