How to play bo3 zombies offline on pc.

Sorry for the late upload i didn't have internet to upload anything and i still have no internet to upload anything, i was just at a friends house. Remember to give a rating if you can because it helps my channel out a lot. •Plug in headphones for best audio experience. •I don't own any rights of the music in my videos . •my Twitter page https://twitter.com/ItzxFrosty •where I get all my music: https://www.youtube.com/channel/UC_aEa8K-EOJ3D6gOs7HcyNg