You are shipwrecked on an isolated island, a desperate castaway in a total freakshow world. How will you survive? Collect the pages of a Survival Guide and figure it out, of course! Find food, water, and shelter before you perish. Uh oh, is it getting dark? Figure out how to get through the night! While you’re at it, gather up some of this awesome stuff and piece together over 100 handmade weapons and tools—from shotguns to Molotov cocktails. Now you can defend yourself and your friends like a boss… but can you escape?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.