Don't buy the Windows Store version of Infinite Warfare if you want to play with other people - ExtremeTech
Microsoft forced to refund Call Of Duty: Infinite Warfare players due to unpopularity of the Windows Store - MSPoweruser
It also does not help that the game in general is a flop, with more people playing Farming Simulator 2017 than CoD: IW on Steam.
CoD Infinite Warfare Windows Store, Steam, Console versions incompatible
Retrieving data ...