How do u play pokemon on the computer?

Question

How do you play pokemon games such as ruby, emerald and leaf gree on the comp? and wat doo u need?

Answer 1

To play such games on your PC, you need an emulator and the ROM of the game you want to play. Keep in mind that unless you own the actual game, it's considered illegal to keep it for longer than 24 hours.

A small list of emulators

VisualBoyAdvance (GBA emulator)
ZSNES (best SNES emulator)

Answer 2

You could get an emulator eithe visual boy advance (for gameboy games) or project 64 (for nintendo 64 games).