With the Halo Master Chief Collection and Halo Wars Definitive Edition doing an incredible job on PC, could we finally see 343 Industries planning to release Halo 5: Guardians on Steam?
There’s always a possibility, though I don’t think there’s any immediate plans to port it to PC at present.
Also, since there’s already a thread (or two or three) on the subject, like this one, you can use it for any further discussion on the topic.