you go to the pc at the pokemon center then you do it from there
you can go to the mt silver
go to denver
you go to pallat town and go to prof.oak and get a Pokemon
Go to Kanto, beat the gyms, go to Mt Silver and beat Red.
go to walmart
therapy
go to the dragon den
Go to Mt.Mortar and find it there.
you can get it when you go to the ice cavern
you go to pallat town and go to prof.oak and get a Pokemon
Go to the Union Room.