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Download 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 and snap images

Android.png Android binaries are available for Termux as the package swi-prolog. See also Building SWI-Prolog on Android using LinuxOnAndroid

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 (64-bits)12,861,638 bytesSWI-Prolog 8.4.3-1 for Microsoft Windows (64 bit)

Self-installing executable for Microsoft's Windows 64-bit editions. Requires at least Windows 7. See the reference manual for deciding on whether to use the 32- or 64-bits version. This binary is linked against GMP 6.1.1 which is covered by the LGPL license.

SHA256:f85518a2d13aadf4778bcb32ccd4b47b0be40b17e91db8975b383ad5b6051951
Windows version (32-bits)12,897,957 bytesSWI-Prolog 8.4.3-1 for Microsoft Windows (32 bit)

Self-installing executable for MS-Windows. Requires at least Windows 7. Installs swipl-win.exe and swipl.exe. This binary is linked against GMP 6.1.1 which is covered by the LGPL license.

SHA256:be68b9aa168b982aac204742c4865c1bf06b4f76979b3acf7cc37d7364dc2d1a
MacOS bundle50,821,320 bytesSWI-Prolog 8.4.3-1 for MacOSX 10.14 (Mojave) and later on x86_64 and arm64

Installer with binaries created using Macports. Installs /opt/local/bin/swipl. Needs xquartz (X11) and the Developer Tools (Xcode) installed for running the development tools

SHA256:abe28eeb98b8bc89721812ea96fccf984a877a830dda58f291e6e2213ae07a9a
MacOS bundle28,195,489 bytesSWI-Prolog 8.4.1-1 for MacOSX bundle on intel

Installer with binaries created using Macports. Installs /opt/local/bin/swipl. Needs xquartz (X11) and the Developer Tools (Xcode) installed for running the development tools

SHA256:1b9c62caa781818a0dafd1d822ab563b8c10c7cd018ce10a3b71f900eb3a434f
Sources
Source archive11,420,526 bytesSWI-Prolog source for 8.4.3

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

SHA256:946119a0b5f5c8f410ea21fbf6281e917e61ef35ac0aabbdd24e787470d06faa
Documentation
PDF file2,995,624 bytesSWI-Prolog 8.4.3 reference manual in PDF

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

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Install scripts may download the SHA256 checksum by appending .sha256 to the file name. Scripts can download the latest version by replacing the version of the file with latest. This causes the server to reply with the location of the latest version using an HTTP 303 See Other message.

SWI-Prolog version 8

The SWI-Prolog 8.0 major release marks mostly a milestone for the internals, stability, deployment options and maintainability of the system. SWI-Prolog extensions and incompatibilities wrt. traditional Prolog are described in extensions.

SWI-Prolog 8.4.x Adds interfaces to Redis and STOMP micro services, isolated transactions and additional thread synchronization, new support for deterministic coding using $/0, $/1 and det/1 and monotonic tabling.