Valkyria Chronicles 4 Accounts

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.

A desperate plea for help has come from the war-ravaged front lines, and Squad E has answered the call for reinforcements. Six different battlefields, each one a bleak struggle for survival—could it be that the elite Squad E has finally met its match? This mission can be played after completing Chapter 18 of the main story. To access this mission, go to Book Mode > Menu > Extra Stories.