Windows Minimum Requirements:
- OS: Windows® XP
- Processor: 2GHz Dual Core Processor (Intel® Core 2 Duo or AMD Athlon™ X2) or higher
- Memory: 2GB System RAM or more
- Graphics: 320MB Video RAM GPU w/ Shader Model 3.0 support. NVIDIA® GeForce® 8800 series or better. ATI Radeon™ HD3800 series or better
- DirectX®: 9.0c
- Hard Drive: 10GB
- Sound: 100% DirectX® 9.0C compliant sound card or equivalent onboard sound
- Co-Op Play:NVIDIA® GeForce® 8800 cards require 640MB of Video RAM. ATI Radeon™ HD3800 cards require 1GB of Video RAM
Windows Recommended Requirements:
- OS: Microsoft® Windows® 7
- Processor: Any Quad Core Processor (Intel® Core i5 or AMD Phenom™ II X4) or 3.0+ Dual Core CPU
- Memory: 4GB System RAM or more
- Graphics: 1GB Video RAM GPU w/ Shader Model 4.0 support. NVIDIA® GeForce® GTX 400 series or better. ATI Radeon™ HD5000 series or better
- DirectX®: DirectX® 11
- Hard Drive: 10 GB
- Sound: 100% DirectX® 9.0C compliant sound card or equivalent onboard sound
Linux Minimum Requirements:
- OS: Ubuntu 14.04.3 LTS, Ubuntu 15.04, Linux Mint 17.1, Steam OS Brewmaster
- CPU: Intel Core i5-4570T (2.9 GHz) or equivalent or AMD Athlon II X2 270 (3.8 GHz) or equivalent
- GPU:GeForce GT 630 (1024 MB) or equivalent or Radeon HD 6850 (1024 MB) or equivalent
- Recommended Graphics Drivers: Nvidia: 352, 355 or 358 series driver / AMD: AMD Catalyst (fglrx) 15.9 or better. MESA drivers and Intel Graphics are not currently supported.
- RAM: 4096 MB
- Disk Space: Around 7 GB
Linux Recommended Requirements:
- OS:Ubuntu 14.04.3 LTS, Ubuntu 15.04, Linux Mint 17.1, Steam OS Brewmaster
- CPU: Intel Core i5-4670K (3.4 GHz) or equivalent or AMD Athlon X4 860K (3.7 GHz) or equivalent
- GPU:GeForce GTX 760 (2048 MB) or equivalent or Radeon HD 7950 (2048 MB) or equivalent
- Recommended Graphics Drivers: Nvidia: 352, 355 or 358 series driver / AMD: AMD Catalyst (fglrx) 15.9 or better. MESA drivers and Intel Graphics are not currently supported.
- RAM:8192 MB
- Disk Space:Around 7 GB
To activate the Steam key you've received, follow the instructions below;
- First up, open the Steam client. (If you don't have it, simply click the "Install Steam" button here => Steam Store )
- Sign in to your Steam account. (If you don't have one, click here to create a new one => Steam Account)
- Click on the "ADD A GAME" button in the bottom corner of the client.
- Then, select "Activate a product on Steam..."
- Write down or copy-paste the activation key that you've received from %s in the window.
- Your game is now visible in your library! Click on your "Library".
- And finally, click on the game and select "Install" to start your download.