How do i respray my brand new stock front bumper bar for holden commodore vp executive?

i dont want to take it to a professional cost to much, after all its only a 1993 model, i would like to know what stuff do i need to buy for it, like undercoat, clear coat, paint and that kinda crap and advice how to respray it maybe from step 1 if possible. my car is metallic blue.