Dual Core CPU (Intel Pentium 4 3.0 GHz, Intel Core 2.0 GHz, AMD Athlon 3200+ or faster)
Quad Core CPU or fast Dual Core CPU (Intel Core 2.8 GHz or AMD Athlon 64 X2 4400+ or faster)
RAM
1 GB RAM
2 GB RAM
OS
Windows XP
Windows XP or Vista
Graphics Card
GPU (NVIDIA GeForce 7800 / ATI Radeon 1800 or faster) with Shader Model 3 and 256 MB VRAM
Fast GPU (NVIDIA GeForce 8800GT or ATI Radeon 4850 or faster) with Shader Model 3 and 512 or more MB VRAM
Direct X
DirectX 9.0c
DirectX 9.0c
HDD Space
10 GB
10 GB
CD-ROM
DVD (Dual Layer compatible), 10 GB free HDD space
DVD (Dual Layer compatible), 10 GB free HDD space
Game Analysis
Provided that you have at least an NVIDIA GeForce 7800 GT graphics card you can play the game. But, according to the developers the recommended graphics card is an NVIDIA GeForce 8800 GT. In terms of game file size, you will need at least 10 GB of free disk space available. To play Arma 2 you will need a minimum CPU equivalent to an AMD Athlon 3200+. Whereas, an Intel Core 2 Duo E8400 is recommended in order to run it. Arma 2 system requirements state that you will need at least 1 GB of RAM. If possible, make sure your have 2 GB of RAM in order to run Arma 2 to its full potential.
Arma 2 will run on PC system with Windows XP or Windows Vista and upwards.