Why can't I play halo 1 on pc?

I need to know where to get the XBOX and XBOX 360 emulators and the Halo ROM Files on the internet so that I can play them and put them on a flash drive and put them on other PCs, ...show more

I'm getting a new computer, and I wanna play some games, but I don't wanna play CoD or anything like that, I wanna play Halo. So does anyone still play?

i just installed my halo to my new laptop, only to find out i cant type in stuff to talk to people, plus i cant see who kills who when, this is very annoying, plus the fact that this laptop is BRAND new, my desktop is 4 yrs old, and it works fine, anyone...

Is there ANY way to play halo 1 or 2 on PC vs Xbox cause my brother has an Xbox and i have a beast of a PC and we want to play together but i dont wanna go out and get an xbox and he ...show more

i just got halo pc and controll are confusing i wanna set up my controller for my xbox 360 hooked up for my pc but i wanna use it for my halo game any1 wanna help?

i tried to play dawn of war but it says failed to initallise video card does anyone know what i can do other than buy a new video card

I am really tempted to try to play the Battlefield 3 Beta on my PC and eve thought it says for minimum requirements is a direct x 10 graphics card and my graphics card is an ATI HD 5450 which is a direct x 9 card will i be able to play it like all settings...