FITTED Suite 3.5 runs on the following platforms: Windows, Linux, Mac.

Windows:

        Windows XP, Windows Vista, Windows 7 (32-bit and 64-bit architecture)   
        1 GB of RAM (2GB or more suggested)
        Java 1.6 (latest version) for gui

Linux:

        Ubuntu 8.10, CentOS 5.2 (32-bit and 64-bit architecture)
        Xterm needs to be installed
        1 GB of RAM (2GB or more suggested)
        Java 1.6 (latest version) for gui

Mac OS X:

        Leopard 10.6 (64-bit architecture only)
        1GB of RAM (2 GB or more suggested)
        Java 1.6 (latest version) for gui