Windows
OS:Windowns XP SP3, Vista, 7, 8
Processor:2.4 GHz
Memory:1 GB RAM
Graphics:DirectX 9c compatible graphic card with 128 MB RAM, Pixelshader 2.0
DirectX®:9.0c
Hard Drive:6 GB HD space
Mac
OS:Mac OS X 10.6/Mac OS X 10.8/Mac OS X 10.7
Processor:2.4 GHz Intel Mac Core Duo
Memory:1500 MB RAM
Graphics:Intel GMA-950-Grafikkarte with 256MB VRAM or better
Hard Drive:6 GB HD space
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.
