Which software was it exactly that was so great and just worked? MS-DOS? Windows 3.1? Windows Me? Some specifics would be nice, because across the board it

Which software was it exactly that was so great and just worked? MS-DOS? Windows 3.1? Windows Me? Some specifics would be nice, because across the board it seems everything is MUCH better now. It used to be that you would buy a computer game and 75% of the time it would not work out of the box.