Windows (2000,XP,Vista,Windows 7):

• 128MB Ram
• 100MB Hard Drive Space
• MinGW, QT 4.0, GNU Flex and Bison (if compiling)

Unix/Linux/FreeBSD:

• 64MB Ram
• 15MB Hard Drive Space
• QT 4.0 development libraries (if compiling)
• GNU Flex and Bison (if compiling)