How do i do co-op mode on halo for the pc

Question

I bought halo 1 for the computer and i dont know how to do co-op mode with me and a friend of course i know how to on x-box 360 but im saying computer how do i do co-op mode if u know plz tell me.

Answer 1

halo 1 pc doest have co-op. realy i try. co-op only avaliable in halo 2 and 3.