Unmechanical is a puzzle adventure that combines tricky puzzle solving, alluring exploration, and an engrossing atmosphere. Set in a fantastic world of flesh, rock and steel, your journey to freedom requires you to solve a great variety of puzzling challenges, and while it’s easy to pick up and play, later challenges may prove very difficult indeed.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.