Windows
OS: XP/Vista/Windows 7/Windows 8
Processor: Dual-core processor (SSE2 instruction set support.)
Memory: 2 GB RAM
Graphics: DX9 (shader model 2.0) capabilities; generally everything made since 2004 should work.
DirectX: Version 9.0c
Storage: 400 MB available space
Sound Card: DirectX 9.0c compatible sound cards