The one in this video is a "remastered" edition for windows 95 with "better" graphics (and in cd-rom format), but the original game was released for MS-DOS
I post this video because the guy talks a bit about it (included the keys)
Tie Fighter - PC Classics - Review - YouTube
If this one doesnt works... then there is an older game from the same series
Star Wars - X-Wing - Gameplay - YouTube
More info:
http://en.wikipedia.org/wiki/Star_Wa...g_%28series%29
http://strategywiki.org/wiki/Category:Star_Wars:_X-Wing