OS: Windows® XP SP 3 (32-64 bits) / Windows Vista® (32-64 bits) / Windows 7® (32-64 bits) CPU: (Minimum) 2.0 GHz Pentium 4 or equivalent (Recommended) Core 2 Duo 2GHz or equivalent Memory: (Minimum) 3 GB RAM (Windows XP) / 3 GB (Windows Vista and Windows 7) (Recommended) 3 GB for Windows ® XP, 3 GB for Vista / Windows ® 7 Video Memory: (Minimum) ATI or NVidia card w/ 512 MB RAM (Not recommended for Intel integrated graphics) (Recommended) ATI or NVidia card w/ 1024 MB RAM (Not recommended for Intel integrated graphics) HDD : 2 GB of free Hard Drive Space