nope... just tried on 64bit by virtual machine, but the massage is the same (other games have the some behavior too). On vm i still play many other games, some of them also declared non xp compatible as well. If your game is coded under unreal engine 4, this seems to be the solution: https://docs.unrealengine.com/latest/INT/Programming/UnrealBuildSystem/Configura... ...in any case, really thanks for your time :)