Minimum system requirements: Software: Windows Vista with Service Pack 1 (32-bit or 64-bit); Microsoft Windows XP Home or Professional (including Tablet edition) with Service Pack 3. Hardware: 1.2 GHz or higher processor clock speed, with an Intel Core 2 Duo or equivalent power CPU; 512 MB RAM for a single attached monitor, 1 GB for two attached monitors, and more for additional attached monitors; At least one USB 2.0 port; 30 MB of available disk space; Super VGA (800 x 600) or higher-resolution video adapter and monitor; CD-ROM or DVD drive if installing from a CD or network access if installing from a network; For Windows Vista, the Windows Experience Index must be greater than 3.0. Note: The Windows Experience Index is found under Computer–>Properties. Click on Windows Experience Index to see the Graphics Sub Index Score.