LOL, I had a DOS computer with the game: Commander Keen 2.
[video=youtube]http://youtube.com/watch?v=BmtMhzqldYA[/video]
As for the OP: I still use XP on my desktop PC
2015's a good estimate
silly (no sound): you need to learn
Zero: i taught you
silly (no sound): how to be cool like me
Zero: you knifed me when i retired
silly (no sound): I have hopes for you
silly (no sound): to be my apprentice
silly (no sound): my prodigy
silly (no sound): to carry on my legacy
silly (no sound): good luck padawan
silly (no sound): may the force be with you
Zero: lol
Zero: why you make it sound that you are never coming back alive master?
Zero:
silly (no sound): I will
silly (no sound): when you're ready
silly (no sound): to show me what you've learnt
silly (no sound): when you're a jedi