Expand your universe with the Galactic Civilizations IV Species Pack! This exciting DLC introduces a host of new alien species, along with powerful tools to create, customize, and share your unique species with the community. Features New Species: Discover and interact with several new species, including Gaseous species, Mollusks, Mammalians, and more, each bringing their unique characteristics and abilities to the galaxy. Create and Customize: Design your species with specific strengths and weaknesses, choose their advisor pictures, and determine what their citizens look like. Share Your Creations: Use the built-in Species uploading tool to share your customized species with other players online. Phenotypes: Experience a more detailed classification system for species with new Phenotypes. With the Galactic Civilizations IV Species Pack, the galaxy is more diverse and dynamic than ever. Enhance your gameplay by introducing new species and enjoy the creativity of the community through shared species creations. Dive into a richer, more expansive universe today!

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.