1
Launch the Steam app and log in to your account.
2
Select Library.
3
Find and select Call of Duty: Modern Warfare II.
4
Select the Install button to download and install the game.
Valve will, upon request via help.steampowered, issue a refund for any title that is requested within 14 days of purchase and has been played for less than 2 hours. Even if you fall outside of the refund rules we've described, you can submit a request and we'll take a look at it.
