System requirements Arma 2: Operation Arrowhead
Three years after the conflict in Chernarus, portrayed in the original Arma 2, a new flashpoint explodes in the Green Sea Region. Coalition forces led by the US Army are deployed to Takistan to quickly restore peace and prevent further civilian casualties.

Minimum pc requirements list Arma 2: Operation Arrowhead
Minimum:
- OS: Windows XP or Windows Vista
- Processor: Intel Core 2.4 GHz or AMD Dual-Core Athlon 2.5 GHz
- Memory: 1GB
- Graphics: Nvidia Geforce 8600GT or ATI Radeon 3650 or faster with Shader Model 3 and 512 MB VRAM
- DirectX®: DirectX 9.0c
- Hard Drive: 10 GB free space
Recommended pc requirements list Arma 2: Operation Arrowhead
Recommended:
- OS: Windows 7
- Processor: Intel Core i5 or AMD Athlon Phenom X4 or faster
- Memory: 2GB
- Graphics: Nvidia Geforce GTX 260 or ATI Radeon HD 5770 or faster with Shader Model 3 and 896 MB VRAM
- DirectX®: DirectX 9.0c
- Hard Drive: 20 GB free space