When will it be released on computer?
There are no plans to do this at the moment, feel free to use this topic for discussion though:
https://www.halowaypoint.com/en-us/forums/6e35355aecdf4fd0acdaee3cc4156fd4/topics/halo-5-on-pc/525dadaf-2c2b-4626-8c48-c7c83e150d46/posts?page=11#post203