The Deluxe Upgrade Pack of Surviving Mars provides ambitious colonists with a variety of new ways to customize their new homes and domes. New content includes: The “Metropolis” Building Set:Add some chrome to your dome with a shiny new visual upgrade to your infrastructure, providing you with chromatic skins for Oxygen Tanks, Water Towers, Fuel Refineries, and more. Additonal Radio Station, "Quantum Sonics" :An additional in-game radio station, with new music and chatter, comes exclusively with the Deluxe Edition. Onyx Housing Skins:Three alternative skins for residential housing structures allow you to add different flair and design to your colonies. Art Book:A 50+ page digital art book that give you a detailed look at the art and making of Surviving Mars. Deluxe avatar and icon for the Paradox forums. Wallpapers:Beautiful artwork from Surviving Mars to decorate your computer desktop.

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.