2 Gb

System requirements:
- Operating system: Microsoft ® Windows ® XP ? / Windows ® Vista ? / Windows ® 7even ?
- Processor: Intel Core 2 Duo 2.0 GHz or equivalent AMD Athlon 64 X2 4000 +
- Memory: 512 MB (Windows XP) / 1 GB (Windows Vista / 7)
- Video: 3D-graphics adapter with 128 MB memory, compatible with DirectX ® 9.0 and supports Pixel Shader 3.0 (Nvidia ® GeForce ® FX 5900 Ultra / ATI ® Radeon ? 9800 or better)
- Sound: Sound card compatible with DirectX 9.0c
- Free hard drive space: 7 GB
- Additional software: DirectX 9.0c








Link