System requirements ARMA: Combat Operations
Sequel to the highly successful Operation Flashpoint, ARMA: Combat Operations is a first person tactical military shooter on the PC with large elements of realism and simulation. This game features a blend of large-scale military conflict spread across large areas alongside the more close quartered battles.

Minimum pc requirements list ARMA: Combat Operations
Minimum:
- Supported OS: Windows XP
- Processor: 2 GHz or better Intel or AMD processor, or equivalent. Game is functional on, but currently not optimized for, Dual-core CPU's.
- Memory: 512 MB of RAM
- Graphics: nVidia Geforce FX with 128 MB RAM & Pixel Shader 2.0 or better, ATI Radeon 9500 with 128 MB of RAM Pixel Shader 2.0 or better
- DirectX Version: DirectX 9.0c
- Hard Drive: 3 GB of free space
- Processor: 3 GHz or better Intel or AMD processor, or equivalent. Game is functional on, but currently not optimized for, Dual-core CPU's.
- Memory: 1 GB of RAM
- Graphics: nVidia 6800 or better with at least 256 MB of onboard RAM, ATI X800 or better with at least 256 MB of onboard RAM