Looking for Classic Metroid

one day when i was feeling good i guess, i found a download of the original zelda. then when i was hoping to feel happier, i went looking for a download of the classic metroid, cuz it was one of the best back in the day. so i looked, and looked, and friggin kept looking and found nuthing that worked. Instead i found those sites that tell u to download an emulator to play all the games u want, but then they never work. So basically, if u have seen a download of the classin metroid, gimme a holla.