4.1 Requirements

• Operating environment: Microsoft Windows 2000 SP4, XP SP2, Vista or Windows 7 (including x64 but not IA64 versions). Windows XP or later is recommended.
• 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). There is a separate release of SICStus for use with Microsoft Visual Studion 2008 SP1 (a.k.a. VS 9).

  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.