Also, technically if all you want to do is run UE4, you could install Windows through Bootcamp and run UE4 in Windows on your iMac. Not suggesting it, just pointing out that it’s doable.
Also, technically if all you want to do is run UE4, you could install Windows through Bootcamp and run UE4 in Windows on your iMac. Not suggesting it, just pointing out that it’s doable.