Battlefield 3

System Requirements

Minimum System Requirements

OS: Windows Vista (Service Pack 1) 32-bit
Processor: 2 GHz Dual Core (Intel Core 2 Duo 2.4 GHz or AMD Athlon X2 2.7 GHz)
Memory: 2 GB
Hard Drive: 20 GB
Graphics card (NVIDIA): DirectX 10.0 compatible with 512 MB RAM (NVIDIA GeForce 8, 9, 200, 300, 400 or 500 series with NVIDIA GeForce 8800 GT or higher performance)
Sound card: DirectX Compatible
Keyboard and Mouse
DVD Rom Drive

Recommended System Requirements

OS: Windows 7 64-bit
Processor: Quad-core CPU
Memory: 4 GB
Hard Drive: 20 GB 
Graphics Card: DirectX 11 compatible with 1024 MB RAM (NVIDIA GeForce GTX 560)
Sound Card: DirectX Compatible
Keyboard and Mouse
DVD Rom Drive