What is the minimum PC specs to install / run Batman Arkham Knight game

What is the minimum PC specs to install download, run, play Batman Arkham Knight game smoothly

OS, Win7 SP1 or Windows 8.1 64bit

Processor, i5 2.67ghz, or AMD X4 3.4ghz

memory ram, 6 GB ram

graphics card, Geforce GTX 660

graphics memory, 2GB

DirectX, 11

Hard drive, 45gb !

BATMAN ARKHAM KNIGHT PC IN ULTRA HD 4K RESOLUTION !