Windows
OS:Â XP/Vista/Windows 7
Processor:Â Intel Pentium IV 2.4 GHz or AMD 3500+
Memory:Â 2 GB RAM
Hard Disk Space:Â 2 GB
Video Card:Â NVIDIA GeForce 8800 or ATI Radeon X1900, 512mb graphics memory required.
DirectX:Â 9.0c
Sound:Â Direct X-compatible sound card
Additional:Â 3-button mouse and keyboard
Mac
OS:Â Mac OS X 10.6.8 or later
Processor:Â Intel Core Duo Processor (2GHz or better)
Memory:Â 2 GB RAM
Hard Disk Space:Â 2 GB
Video Card:Â ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce 9600 or higher, 1024MB graphics memory required
Linux
OS:Â Ubuntu 12.04 LTS
Processor:Â IntelR PentiumR IV 2.4 GHz or AMD 3500+
Memory:Â 2 GB
Hard Disk Space:Â 2 GB
Video Card:Â ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce > 9600 or higher, 1024MB graphics memory required.
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.
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.
