Key Activation for Battle.net products

Key Activation for Battle.net products
  1. Visit www.battle.net
  2. At the top of the page, click "Create Account".
  3. Go to account page. After logging in to your account, click the "Add Game" button.
  4. Enter your game key in a free field and click "Activate Game".
  5. Run the Blizzard Downloader to download the game.