I didn't install any prereq I just tried to ran the game
Viewing post in Cactus (Prototype) jam comments
It seems like this is an issue with UE4's engine code and it won't be fixed until the next UE4 hotfix/release. https://forums.unrealengine.com/unreal-engine/feedback-for-epic/1758469-unreal-engine-4-25-and-windows-7-compatibility