Things You'll Need
Instructions
Go to the CNET website and click the "Download Now" button from the page that loads the free map for "Call of Duty: Modern Warfare 2."
Locate the downloaded file on your computer and right-click on it using your mouse. Select the "Copy" option from the menu that appears. Insert a USB media stick into your computer and wait for the computer to recognize it. If the computer does not recognize it on its own, press the "Start" button, click "My Computer" and double-click on the USB drive.
Right-click the mouse and select "Paste." Wait for the file to be copied to the USB folder. Remove the USB stick from the computer and plug it into the PS3. Turn the PS3 on and start the game.