Whether you were "Nuked" back to level 1 due to a corrupted file, you’re switching from console to PC, or you simply want to access those gold weapon camos and M16-A4 red dot sights without spending 40 hours online, the search for an solution is more relevant now than ever.

These tiny executable files (usually under 500kb) run alongside your game. They intercept the memory address that stores your XP and sets it to "Level 55 - 1 XP."

Once you have achieved your unlocked state (via unlocker or COD4X), navigate to: C:\Program Files (x86)\Activision\Call of Duty 4 - Modern Warfare\players\profiles\[YourProfileName]

COD4X is a community-driven client that replaces the original executable. It fixes security exploits, allows for higher FPS, and crucially for this article—