Call of Duty: WW2 On PS4 Requires 80 GB Of Storage, Much More Than Xbox One Version
Every Call of Duty Install Size Compared, From 2003 to Modern Warfare - IGN
Cod WWII is 44GB, but 80Gb is recommended because of the updates, just like BO3, it took 100 GB of space and the base game without the updates is ~40GB : r/WWII