2 GB GDDR5 NVidia GeForce 660 / AMD R7 360 or better (GeForce 900+ / Radeon 290+ for Vulkan)
DirectX
Version 11
Network
Broadband Internet connection
Storage
27 GB available space
Sound Card
DirectX Compatible Sound Card
Additional Notes
1920x1080 Display Resolution or Higher
Go to: http://store.steampowered.com/ and download STEAM client
Click "Install Steam" (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don't have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.
After successful code verification go to the "MY GAMES" tab and start downloading.