Windows users: Windows 95, 98, NT, 2000, or XP Pentium 90 processor or above 40 megabytes (MB) of RAM, with virtual memory on and set to at least 44MB. At least 13MB of free disk space Active Internet connection Mac users: Macintosh computer with a PowerPC processor Mac OS 8.1 or later 40 megabytes (MB) of RAM, with virtual memory on and set to at least 44 MB. At least 13 MB of free disk space Using Java applets over the Internet requires an active Internet connection If you are not sure that your system meets the above requirements, please contact us.