CoD4 Patch Information
Download CoD4 Patches for PC
Here are the links to the 1.4, 1.5, 1.6 and 1.7 version patches for CoD4 on the PC.
Make sure you download them in order and patch in order as well.
If you bought the game from Direct2Drive, you must go to the direct 2 drive patches page to get your patch.