If the zip contains a or multiplayer fix (common for CoD 4 or MWR):
Pre-made players2 folders often containing 100% campaign completion or specific graphics settings to fix startup crashes. Plik: Call of Duty Modern Warfare.zip ...
Essential update files (like v1.6 or v1.7 for CoD 4) required to play on most modern multiplayer servers. If the zip contains a or multiplayer fix
Use a tool like 7-Zip or WinRAR to unpack the archive. Plik: Call of Duty Modern Warfare.zip ...