These are the system requirements for Command & Conquer: Red Alert 3.
- Operating system
Required: Windows XP or Vista (32-bit)
Not Supported: Windows 2000, 64-bit versions of Windows XP or Vista - CPU
Minimum: Windows XP: 2.0 GHz (Intel Pentium 4 / AMD Athlon 2000+; multiple cores) / Windows Vista: 2.2 GHz (Intel Pentium 4 / AMD Athlon 2200+; multiple cores)
Recommended: 3.0 GHz dual-core processor - Memory
Minimum: Windows XP/ Vista: 1 GB RAM
Recommended: 2 GB RAM - Graphics card
Minimum: NVIDIA GeForce 6800 / ATI Radeon X800 or higher with Hardware Transform and Lighting (T&L) capability
Recommended: NVIDIA GeForce 7 128 MB 3D graphics card with Hardware Vertex and Pixel Shader (VS/PS) capability
Not supported: ATI Radeon 9200 and 9250 PCI, NVIDIA Geforce 4 MX - Sound card
Required: DirectX 9.0c compatible (Creative Sound Blaster Audigy cards require a Intel Pentium 4 2.6 GHz or similar under Vista)
Recommended: EAX 2.0 compliant audio device
Not supported: Yamaha Xwave-512 - Optical media
Required: 8x speed DVD-ROM drive
Recommended: 16x speed DVD-ROM drive - DirectX
Microsoft DirectX 9.0c - Installation
10 GB or more of free hard drive space; plus an allowance of additional free space available after installing the game for save games and Windows file caching. - Internet connectivity and multiplayer support
Minimum: 512 Kbp/s Internet connection (2 players)
Recommended: 2 Mbp/s broadband-class connection (2-8 players)
Internet/LAN: supports 2 to 8 players with VoIP support - Input devices
Required: keyboard, mouse
Optional: VoIP headset