Malthael, the fallen Archangel of Wisdom, returns as the Angel of Death in Diablo III's first expansion set: Reaper of Souls. Having seized the Black Soulstone and slain most of the guards protecting it, it now falls to players to track down Malthael and stop him before he unleashes irreversible havoc on the world. Fortunately, a new hero is ready to join the cause and bring Malthael to justice—the Crusader, a fierce melee warrior whose command of the battlefield is matched only by his unwavering conviction and uncompromising dedication to the Light.

Visit www.battle.net At the top of the page, click "Create Account". Go to account page. After logging in to your account, click the "Add Game" button. Enter your game key in the empty field and click ACTIVATE GAME. Run the Blizzard Downloader to download the game.