Nvidia has released the system requirements for Batman: Arkham Knight.
http://www.pcgamer.com/arkham-knight-syste...ments-revealed/

Minimum System Requirements
OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i5-750, 2.67 GHz | AMD Phenom II X4 965, 3.4 GHz
Memory: 6 GB RAM
Graphics Card: NVIDIA GeForce GTX 660
Graphics Memory: 2 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 45 GB

Recommended System Requirements
OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
Memory: 8 GB RAM
Graphics Card: NVIDIA GeForce GTX 760
Graphics Memory: 3 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 55 GB

ULTRA System Requirements
OS: Win 7 SP1, Win 8.1 (64-bit Operating System Required)
Processor: Intel Core i7-3770, 3.4 GHz | AMD FX-8350, 4.0 GHz
Memory: 8 GB RAM
Graphics Card: NVIDIA GeForce GTX 980
Graphics Memory: 3 GB
DirectX®: 11
Network: Broadband Internet Connection Required
Hard Drive Space: 55 GB

Steam Premium Edition include Season Pass is RM152.10.
http://store.steampowered.com/sub/66599/

Already pre order PC Steelcase Edition on yesterday.

Batman Arkham Knight Steelbook Edition for PC has been cancelled. Impulse said the reason is that the game is of a good sized (5 DVDs) and it cannot be fitted into a steelbook casing.