bayo 3 on pc?

i was on nexus mods to look at bayo 1 mods and saw that they habe bayo 3 on there. nexus is for pc mods only. how are people playing bayo 3 on pc and if its an emu how do you install mods to an emu? i have so many questions lol i would love to play bayo 2 and 3 on pc.