Kombat Pack 2 grants access to 4 new playable characters, as well as previously released content including Goro, Kold War Skin Pack and 2 Klassic Fatality Packs. New characters include Horror icon Leatherface, and the Xenomorph from Alien . Bo’ Rai Cho and Triborg the Cyber Ninja complete the offer. Also includes the Apocalypse Pack with three new character skins.

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.