SYSTEM REQUIREMENTS: Windows - XP/Vista/7, Pentium IV 2.4Ghz processor or faster, 512 MB (1GB RAM for Vista & 7), 1024x768 16-bit color display, 64MB VRAM, 3 GB Hard Disk Space, DVD-ROM drive, 33.5 Kbps modem or faster and internet service provider account required for internet access. Macintosh - OS X 10.4.11 - 10.6 Intel Core Solo processor or better, 1.5 GHz or higher processor, 512MB RAM, 64MB VRAM (Intel GMA chipsets supported), 3 GB hard drive space, DVD-ROM drive, 33.6 Kbps modem or faster and internet service provider account required for internet access. Broadband internet service recommended.