Hearts of Iron IV Game Keys

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.

This unit pack includes unit art for wartime vehicles that never saw a production line. From advanced warplane designs to theoretical battle vehicles, this unit pack adds even more alternate history flavour with technological marvels and oddities that could have changed the course of the war.