Minimum System Requirements
Windows
OS:
Windows XP or Windows Vista Processor:
Intel Pentium 4 3.0 GHz or AMD Athlon 3200+ RAM:
1 GB RAM Video card:
NVIDIA GeForce 7800 / ATI Radeon 1800 with Shader Model 3 and 256 MB VRAM Sound card:
DirectX-compatible Disk space:
10 GB free space 
MAC
ArmA II is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
ArmA II does not have an official Linux version. Players have used compatibility layers like Steam Play's Proton or Wine to run the game on Linux systems, but performance and compatibility can vary
Recommended System Requirements
Windows
OS:
Windows XP or Windows Vista Processor:
Intel Core 2.8 GHz or AMD Athlon 64 X2 4400+ or faster RAM:
2 GB RAM Video card:
NVIDIA GeForce 8800GT / ATI Radeon HD 4850 with Shader Model 3 and 512 MB VRAM Sound card:
DirectX-compatible Disk space:
10 GB free space MAC
ArmA II is not officially supported on macOS. However, some users have managed to run the game using Windows emulation software or by installing Windows on a separate partition via Boot Camp
Linux
ArmA II does not have an official Linux version. Players have used compatibility layers like Steam Play's Proton or Wine to run the game on Linux systems, but performance and compatibility can vary
We recommend playing ArmA II on a Windows PC that meets or exceeds the recommended system requirements. If you're trying to play on a Mac or Linux, be prepared for potential technical issues and performance changes.
