Mario Party 3 has never been released for PC, so it has no PC system requirements. It came out on Nintendo 64. Released in 2000.
There is no emulator for Nintendo 64 that this site will point you at.
Platforms: Nintendo 64.
System requirements for the game Mario Party 2
System requirements for the game Mario Party 8
System requirements for the game Mario Party 4
System requirements for the game Mario Party 5
System requirements for the game Mario Party 7
System requirements for the game Mario Party 6
System requirements for the game Mario Party 9
System requirements for the game Mario Party 10
