If you have the real game from Battle.net/Steam and are encountering Setup.exe errors:
The standalone Setup.exe is largely obsolete for digital users. If you have a physical copy, it works fine, but manually backup your installer files. Call Of Duty Modern Warfare Setup.exe File Download
4/5 for legitimate copies, 0/5 for anything from a shady download site. If you have the real game from Battle
If you need help with a legitimate installation error (e.g., "setup.exe stopped working" during official download), provide the exact error message and I can help troubleshoot. But I cannot assist with locating cracked/pirated copies. it works fine