Metroid has never been released for PC, so it has no PC system requirements. It came out on NES, Game Boy Advance. Released in 1986.
There is no emulator for NES, Game Boy Advance that this site will point you at.
Platforms: NES, Game Boy Advance.
System requirements for the game Super Metroid
System requirements for the game Metroid Prime
System requirements for the game Metroid Prime 2: Echoes
System requirements for the game Metroid Prime 3: Corruption
System requirements for the game Metroid: Other M
System requirements for the game Metroid Prime Hunters
System requirements for the game Grand Theft Auto 5
System requirements for the game The Witcher 3: Wild Hunt
