HALO 1 FOR PC HELp Please?

[winkworlddesign]

i got halo1 for pc and i have been playin online but my question is how do i add someone and where do i see my stats of previous matches /??????
hope anyone can help! will chose as best answer whoever helps more =]

 

[SneakyNinja]

you can only see ur stats of recent matches and the friends i dont know either sorry