Free Download Games DiRT 3 (Direct Link)

System Requirements

OS: Windows® XP SP 3 (32-64 bits) / Windows Vista® (32-64 bits) / Windows 7® (32-64 bits) 

CPU: (Minimum) AMD Athlon 64 X2 2.8 GHz, Intel Pentium D 2.8 GHz (Recommended) AMD Phenom II or Intel Core i7 

Memory: (Minimum) 1 GB for Windows ® XP, 2 GB for Vista / Windows ® 7 (Recommended) 2 GB for Windows ® XP, 3 GB for Vista / Windows ® 7 

Video Memory: (Minimum) 512 MB RAM, supporting Pixel Shader 3.0 (AMD Radeon HD 2000 256 MB, Geforce 8000 Series) / (Recommended) 1 GB RAM, supporting Pixel Shader 3.0 (ATi Radeon HD 5700 Series) 

HDD : 15 GB of free Hard Drive Space/ Sound Card: compatible with DirectX 9.0c

Link

via Direct (3.9gb)
Download DiRT 3