The Banner Saga is a Viking-themed tactical role-playing video game by Stoic, a trio of indie game developers formerly of BioWare. It was released as a single player campaign, The Banner Saga – the first game of a projected trilogy – on 14 January 2014.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.