Minimum Requirements Computer/Processor Computer with Pentium 133 megahertz (MHz) or higher processor; Pentium III recommended   Memory For all Centurion suites: RAM requirements depend on the operating system used: Windows 2000 Professional 64 MB of RAM Windows XP Professional® (SP2), or Windows XP Home Edition® 128 MB of RAM   Hard Disk 100MB free space required; 250MB recommended   Operating System Windows 2000, or Windows XP (SP2) or later.   Drive CD-ROM Drive or Network connection.   Display Super VGA (800 x 600) or higher-resolution monitor with 256 colors   Peripherals PS/2 Compatible Mouse, Communications Port (DB-9).