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SWI-Prolog owl logoDownload SWI-Prolog stable versions

linux.png Linux versions are often available as a package for your distribution. We collect information about available packages and issues for building on specific distros here. We provide a PPA for Ubuntu

windows.jpg Please check the windows release notes (also in the SWI-Prolog startup menu of your installed version) for details.

WIP.png Examine the ChangeLog.


Binaries
Windows version (32-bits)11,849,467 bytesSWI-Prolog 7.2.3 for Windows XP/Vista/7/8

Self-installing executable for MS-Windows. Installs swipl-win.exe and swipl.exe. Works on Windows XP/Vista/7/8/10. This binary is linked against GMP 5.0.5, which implies that it is covered by the LGPL-V3 license. See below.

Windows version (64-bits)18,508,889 bytesSWI-Prolog 7.2.3 for Windows XP/Vista/7/8 64-bit edition

Self-installing executable for Microsoft's XP/Vista/7/8/10 64-bit editions. See the reference manual for deciding on whether to use the 32- or 64-bits version. This binary is linked against GMP 5.0.5, which implies that it is covered by the LGPL-V3 license. See below.

Snow Leopard and later18,561,463 bytesSWI-Prolog 7.2.3 for MacOSX 10.6 (Snow Leopard) and later on intel

Mac OS X disk image with relocatable application bundle. Needs xquartz (X11) installed for running the development tools. Currently, version 2.7.5 is required. You can check the version by opening an X11 application and then checking `about' in the X11 menu. The graphical application is experimental. The bundle also provides the commandline tools in Contents/MacOS. The command line tools need at least MacOS 10.6 (Snow Leopard). The graphical application needs at least MacOS 10.7 (Lion).

WARNING This version does not run property on MacOSX El Captain (10.11). Please download the development version, version 7.3.11 or later instead.

Sources
Source archive16,192,142 bytesSWI-Prolog source for 7.2.3

Sources in .tar.gz format, including packages and generated documentation files. See build instructions.

Documentation
PDF file2,207,571 bytesSWI-Prolog 7.2.3 reference manual in PDF

SWI-Prolog reference manual as PDF file. This does not include the package documentation.

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SWI-Prolog version 7

SWI-Prolog version 7 has several extensions and incompatibilities wrt. traditional Prolog. See extensions for details.