Call of Duty 4: Modern Warfare System Requirements CPU: Pentium 4 2.4 GHz/ Athlon 64 2800+ (Intel & Athlon 1.8 GHz Dual Core or better supported) RAM: 512 MB (768 MB for Windows Vista) OS: Windows XP/Vista VIDEO CARD: 128MB FREE DISK SPACE: 8 GB Download all Parts of Call of Duty 4: MW 750 MB Parts ( Download Part 1 )( Download Part 2 )