Disc Installation:PS4 - 99 GB installation spaceXbox One - 107 GB installation spaceDigital Installation:PS4 - 99 GB installation space with an additional 50GB for the installation processXbox One - 107 GB installation spacehttps://support.rockstargames.com/articles/360010842353/Red-Dead-Redemption-2-Installation-Requirementswww.engadgethd.com - the other stuff i'm looking at