A series of grisly murders brings Lara into conflict with a sinister Alchemist from the past, and a secret alliance of powerful individuals shrouded in mystery. Accused of the murder of her one time mentor, Werner Von Croy, Lara becomes a fugitive on the run. Pursued by the police, she follows the Alchemist into a dark world of blood, betrayal and vengeance where it is up to her to defeat this unholy alliance, and stop them from unleashing their incredible powers on the world.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.