Prepare to go on a fantastic journey which will take you from damp prehistoric forests, to the sultry deserts of ancient Egypt, to dirty Wild West saloons, and luxurious medieval castles! Green Moon is a Hidden Object game like no other, combining science with magic and reality with mysticism.
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam