Windows
OS:Windows XP SP2 or later
Processor:1.6Ghz CPU
Memory:2 GB RAM
Graphics:1024x768 or greater desktop screen resolution
Hard Drive:1 GB HD space
Mac
OS:Leopard 10.5 or later
Processor:1.6Ghz Intel CPU
Memory:2 GB RAM
Graphics:1024x768 or greater desktop screen resolution
Hard Drive:1 GB HD space
Linux
OS:Ubuntu 10.10 or later, although other unsupported distros may very well work
Processor:1.6Ghz Intel CPU
Memory:2 GB RAM
Graphics:1024x768 or greater desktop screen resolution
Hard Drive:1 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.
