It wasn't just a step forward for the franchise; it was the moment the genre grew up. Should I look into the system requirements for the original version or find the best community mods still active today?
The Steam version is playable , but you need the 1.7 patch + a community fix for the master server (or use a client like COD4x). Also, watch out for sketchy PB (PunkBuster) – most servers run without it now. Call of duty 4 modern warfare -pc-