Steam account required for game activation and installation
PC System Requirements
MINIMUM:
OS:Windows XP
Processor:2.5 GHz (Single Core) or 2 GHz (Dual Core)
Memory:2 GB RAM
Graphics:OpenGL 2.0 compatible with 256 MB RAM (Shared Memory is not recommended)
DirectX®:9.0c
Hard Drive:6 GB HD space
Sound:DirectX compatible
RECOMMENDED:
OS:Windows Vista/7/8
Processor:2.5 GHz (Single Core) or 2 GHz (Dual Core)
Memory:4 GB RAM
Graphics:OpenGL 2.0 compatible with 512 MB RAM (Shared Memory is not recommended)
DirectX®:9.0c
Hard Drive:6 GB HD space
Sound:DirectX compatible
Mac System Requirements
MINIMUM:
OS:Lion (10.7)
Processor:2 GHz (Dual Core) Intel
Memory:2 GB RAM
Hard Drive:7 GB HD space
RECOMMENDED:
OS:Lion (10.7)
Processor:2 GHz (Dual Core) Intel
Memory:2 GB RAM
Hard Drive:7 GB HD space
Language Support:
Interface: English, German, French, Spanish, Russian, Polish, Czech, Portuguese-Brazil, Italian
Full Audio: English, German
Subtitles: English, German, French, Spanish, Russian, Polish, Czech, Portuguese-Brazil, Italian