Operating environment: Microsoft Windows 2000 SP4, XP SP2 or
Vista (including x64 but not IA64 versions of XP and Vista). Windows
XP or later is recommended.
Available hard drive space: 200 Mbytes (approximate)
For interfacing with C or C++, or for using spld or
splfr: C compiler and related tools from Microsoft Visual
Studio 2005 SP1 (a.k.a. VS 8).
Microsoft offers free editions of its C compilers. It is probably
possible to make these work as well but they may require other tools or
downloads.