Protect your cornfields and lock up your livestock, because FLOCK is here! Pilot a UFO around vibrantly-colored landscapes in this charming sandbox puzzle game where you must herd animal life back to the Motherflocker. Using a powerful physics engine that drives many of the game’s elements, FLOCK features over 50 pastoral puzzles. Pick up wood to form bridges, move boulders to create obstructions, and flatten fields into pathways all to help deliver your herd before time runs out! Flock together with a friend and even create and share your own crazy levels online.
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.