Quell Memento is an enchanting puzzle game of logic and relaxation.The third and most ambitious instalment of the haunting Quell games, Memento takes the concept to an even deeper level with an engrossing array of new game-play elements.Featuring a breath-taking score by acclaimed composer Steven Cravis, a voice-over narration and beautiful visuals, Quell Memento leads you on an enchanting journey of discovery and nostalgia. The beating heart of the game – the puzzles themselves – are once again perfectly balanced to keep the player enthralled, but never frustrated.Like it’s two predecessors, Quell Memento is a haunting experience that will stay with you long after you’ve finished it. Fall in love with Quell Memento…

— Activation Details —

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.