SYSTEM REQUIREMENTS + ACTIVATION INSTRUCTIONS: 306572013-09-05Go 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.baseRegion FreeRegion freeWindows
OS:Windows® XP (SP3) / Windows Vista® (SP2) / Windows® 7 (SP1) / Windows® 8
Processor:2 GHz Intel® Core™2 Duo or 2 GHz AMD Athlon™ 64 X2
Memory:2 GB RAM
Graphics:512 MB DirectX® 9.0c–compliant
DirectX®:9.0c
Hard Drive:5 GB HD space
Sound:DirectX 9.0c–compliant
Additional:Peripherals Supported: Windows-compatible keyboard, mouse, optional controller (Xbox 360 Controller for Windows recommended)