Middle-earth: Shadow of War 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).
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Click the Games Menu.
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Follow the onscreen instructions to complete the process.
After successful code verification go to the "LIBRARY" tab and start downloading.

The Outlaw Tribe Nemesis Expansion includes: Thousands of NEW Nemesis System enemies, followers & stories NEW Orc Weapons, fatalities and brutalities NEW Fortress, Outpost and Wilderness gameplay NEW Legendary Gear Set for the Bright Lord The Outlaw Tribe are Mordor's ultimate rebels, defying the domination of the Dark Lord and the Bright Lord alike and fighting for the Age of the Orc. However, when they can be controlled they make fearsome followers and mighty warriors. They wield unique chains to capture their enemies and salvage weapons and armor. Outlaw Fortresses are filled with warriors who train relentlessly and are among the toughest defenders in Mordor.