MechWarrior 5: Mercenaries 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.

Join up with the Independent People of Skye to capture the Lyran Commonwealth's newest BattleMech, the Hatchetman, in a 5 mission quest line. Call To Arms adds the Hatchman chassis, along with 23 new melee-weapon focused 'Mech variants, 5 new melee weapon-focused Hero 'Mechs, 9 new melee weapons, and the new animated Stormsurge skin. Explore the new Scrapyard, Rubellite, and Hoodoo Desert biomes, available throughout Campaign and Career modes, and Instant Action. Call to Arms adds the Hatchetman chassis, along with 23 new melee-weapon focused 'Mech variants, 5 new melee weapon-focused Hero 'Mechs, 9 new melee weapons, and the new animated Stormsurge skin. Explore the new Scrapyard, Tourmaline (Rubellite), and Hoodoo Desert biomes, available throughout Campaign and Career modes, and Instant Action. Call to Arms is all about amping up the destruction with new Melee weapons. Features 23 new melee weapon-focused 'Mech variants, plus 5 melee weapon-focused Hero 'Mech variants. You can also access them right away in Instant Action! 9 new melee weapons are available to equip on these new 'Mech variants; BattleAxe, Claymore Sword, Katana Sword, Axe, Trench Blade, Long Sword, Hatchet, Claw, and Mace. Find them across the Inner Sphere in Campaign and Career mode, or equip them right away in Instant Action! 3 new biomes including Scrapyard, Rubellite, and Hoodoo Desert are available throughout Campaign and Career modes, and Instant action. New animated Stormsurge skin is available for all of your favorite 'Mechs! 9 NEW MELEE WEAPONS Adds 9 new melee weapons to the game. BattleAxe, Claymore Sword, Katana Sword, Axe, Trench Blade, Long Sword, Hatchet, Claw, and Mace. 3 NEW BIOMES Face your foes in three new biomes, with three unique environments and backdrops for you to further your exploits throughout the Inner Sphere. Experience these new biomes in Campaign and Career modes, and Instant Action. SCRAPYARD TOURMALINE (RUBELLITE) HOODOO DESERT FREE GAME UPDATEFLEXIBLE MISSION TONNAGE Deploy lances that exceed the tonnage limit at the cost of C-Bills. Deploy the Steiner Scout Lance! SWITCH 'MECHS UPON DEATH Players will no longer experience mission failure when the 'Mech they are piloting is destroyed. Upon death a player will be able to switch to another 'Mech in the lance! *Single Player mode only. INSTANT ACTION VARIANT CONTROL Customize the experience to suit your preferences and challenge level. *Requires Legend of the Kestrel Lancers. UPGRADED STARMAP An overhaul of the Starmap to better represent all the intel a Mercenary needs. UPGRADED CONTRACTS SCREEN An overhaul of the Contracts screen makes negotiation more prominent.