Instructions
Power on the video game system you are using (PS3 or Xbox 360).
Select the "Online Store" feature for the system.
Type in your log-in information to load the store.
Choose the "Downloads" options to load a list of all the games with available downloads for your system.
Select "Call of Duty" to display the maps download.
Select the maps option, and choose "Download" to download directly to your gaming system.
Exit out of the online store, and the maps will automatically install once the download finishes.