In order for you to play Batman: Arkham Knight on Windows with minimal graphics settings, your computer must meet the following requirements
Requires a 64-bit processor and operating system
OS *:
Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor (CPU):
Intel Core i5-750, 2.67 GHz | AMD Phenom II X4 965, 3.4 GHz
Memory (RAM):
6 GB RAM
Graphics Card:
Graphics: NVIDIA GeForce GTX 660 (2 GB Memory Minimum) | AMD Radeon HD 7870 (2 GB Memory Minimum)
DirectX:
Version 11
Network:
Broadband Internet connection
Storage:
45 GB available space
In order to play Batman: Arkham Knight on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Requires a 64-bit processor and operating system
OS *:
Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor (CPU):
Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GeForce GTX 760 - 3 GB Memory Recommended | AMD Radeon HD 7950 - 3 GB Memory Recommended
DirectX:
Version 11
Network:
Broadband Internet connection
Storage:
55 GB available space