You can pre-order the game right now from the Steam page. We also have the recommended and minimum specs to share.
MINIMUM:
Requires a 64-bit processor and operating system
OS: WINDOWS® 7, 8, 8.1, 10 (64-bit required)
Processor: Intel® Core™ i5-4460, 3.20GHz or AMD
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Requires a 64-bit processor and operating system
OS: WINDOWS® 7, 8, 8.1, 10 (64-bit required)
Processor: Intel® Core™ i5-4460, 3.20GHz or AMD