PC Specs don't look too demanding:
Minimum Requirements:
OS: Windows XP, Windows Vista or Windows 7 with DirectX 9.0c
PROCESSOR: 2 GHz dual core
RAM: 1 GB RAM (Windows XP) / 2 GB (Windows Vista and Windows 7)
GRAPHICS: NVIDIA GeForce 8000 series or ATI Radeon HD 2000 series or better
REQUIRED DISC SPACE: 8.5 GB
Recommended Requirements:
OS: Windows 7
PROCESSOR: AMD Phenom II X4 or Intel Core 2 Quad or better
RAM: 2 GB
GRAPHICS: AMD Radeon HD 5850
REQUIRED DISC SPACE: 8.5 GB