Java Virtual Machine v1.4.2 or greater

Windows OS
2000(SP3)/XP/VISTA/Win7/Win8 (32 or 64 bit editions of Windows are supported.)
HD (Free): 150MB
RAM: 256MB, 512MB or greater recommended

Note: Please note that Lucid will run under Windows 98/ME/NT4 however these are unsupported platforms.

Macintosh OS
OS X 10.4 or greater
HD (Free): 150MB
RAM: 512MB or greater

Linux OS
A flavour of Linux that supports J2RE, such as: Red Hat, SuSE, Ubuntu
HD (Free): 150MB
RAM: 512MB or greater

Solaris OS: 7, 8, 9 or 10
HD (Free): 150MB
RAM: 512MB or greater