Includes: Braid Anniversary Edition The Witness Braid, Anniversary Edition is a bigger, more-beautiful remaster of the original game, with new puzzles and an unprecedented amount of developer commentary, where you can learn dark secrets of puzzle design. It's almost double the size of the original game! The Witness is the critically-acclaimed game about solving puzzles to uncover the secrets of a mysterious island.

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 "LIBRARY" tab and start downloading.