These are the system requirements for Unreal Engine 4. Things may change as we continue development and begin to optimize, but these should be considered the current minimum.
OS: Windows 7/8/10 64-bit.
CPU: Quad-core Intel or AMD processor, 2.5 GHz or faster.
RAM: 8 GB, Recommended to have at least 32 GB.
GPU: NVIDIA GeForce 470 GTX or AMD Radeon 6870 HD series card or higher.
OS: MacOS 10.14 or later.
CPU: Intel processor.
RAM: 8GB
GPU: AMD discrete graphics.
Mac system requirements are a best guess, and may change even more as we troubleshoot and continue development. See this this link for further details.
PR Team, Forum Moderator, Live Response Team