My dad had this 286 PC with Windows 3.something, and every Sunday we'd wake him up and make him remove config.sys and autoexec.bat so it had enough memory to run Commander Keen. It was fiddly and tough but it felt like a grand adventure and we loved it. Then one evening I put the dust cover on the monitor but forgot to switch it off, and overnight it cooked itself to death. It was a while before there was another PC in the house.