Run iw3sp.exe (single-player). Ignore any "CD Key" popups—use a generic key like 1-2345678-90 .
Let’s be honest. Searching for "cod mw 1 highly compressed" on Google leads to some shady websites (Igg-Games, SteamUnlocked clones, OceanofGames). Many of these .exe files contain . cod mw 1 highly compressed