System Requirements (minimum):

 Pentium II 400 CPU
64MB RAM
16 bit DirectX compatible Soundcard
DirectX 8.0
compatible 3D graphics card with 16Mb RAM
800Mb Hard Drive space (after installation)
Recommended:
Pentium III 1GHz CPU
128MB RAM
16 bit DirectX compatible Soundcard
DirectX 8.0
compatible 3D graphics card with 32Mb RAM
800Mb Hard Drive space

Download:
ArmA Cold War Assault [part 1]
ArmA Cold War Assault [part 2]