Lume is the prequel of the award-winning game "Lumino City". The game is a puzzle-adventure with an unique art-style: The world in Lume is not made of polygons but completely with paper and cardboard material. Who turned out the lights? And more importantly… Who will fix them?
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.