Official America's Army: Operations 2.0a System Requirements:

Recommended Microsoft Windows 98/Me/2000/XP Requirements
- 3D graphics card with 64-bit memory and support for hardware transforming & lighting (Hardware T&L)
- 1GHz processor or equivalent
- English version of Windows 98/Me/2000/XP Operating System
- 256 MB RAM
- 1.6GB of uncompressed hard disk space for game files
- Quad-speed CD-ROM (600K/sex sustained transfer rate)
- A 100% Windows 98/Me/2000/XP-compatible system (including compatible 32-bit drivers for CD-ROM drive, video card, sound card, mouse and keyboard)
- DirectX 8.1
- NVIDIA nForce or other motherboards/soundcards containing the Dolby Digital Interactive Content Encoder required for Dolby Digital Audio

Recommended Macintosh Requirements
- 700MHz G4 Processor
- 256 MB RAM
- GeForce2 or Radeon 7500 Video Card
- 1GB of hard disk space
- 56 Kbps modem or better

Recommended Linux Requirements
- Pentium 3 766 (or equivalent)
- 128 MB RAM
- Glibc 2.1 or newer
- Hardware accelerated OpenGL drivers

Please keep in mind that the above are only the system requirements recommended by the America's Army Development Team. The game can play on higher and lower ended system with the correct adjustments.

Also keep in mind to participate in the Army Game Challenge, your computer must have an Ethernet (NIC) card.