Watch Dogs System Requirements:
CPU: Intel Dual Core with 2.66 Ghz or AMD Phenom II with 3.0 Ghz
RAM: 6 GB
VGA: 1024 VRAM DirectX 11 with Shader Model 5.0 (NVidia GTX 460 / AMD Radeon HD5770)
DX: DirectX 11
OS: Windows Vista 64bit, Windows 7 64bit, Windows 8 64bit