Softvault

Windows · Developer Tools

SWI-Prolog

SWI-Prolog offers a comprehensive free Prolog environment. Since its start in 1987, SWI-Prolog development has been driven by the needs of real world…

Version 9.0.4 · by SWI-Prolog

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Official site: swi-prolog.org

About SWI-Prolog

SWI-Prolog offers a comprehensive free Prolog environment. Since its start in 1987, SWI-Prolog development has been driven by the needs of real world applications. SWI-Prolog is widely used in research and education as well as commercial applications.

How to install SWI-Prolog

  1. Click Download — the developer's official website opens in a new tab.
  2. Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
  3. Prefer the command line? With the Windows Package Manager (winget) you can install and update it with: winget install SWI-Prolog.SWI-Prolog
  4. Open SWI-Prolog once it finishes installing.
How to install Windows software with winget

Frequently asked questions

Is SWI-Prolog free to download?

Yes. The Download button sends you to swi-prolog.org, the developer's official site, where SWI-Prolog is available to download. Softvault doesn't host or modify any files.

What is the latest version of SWI-Prolog?

The version listed here is 9.0.4. The developer's site always has the newest release.

How do I install SWI-Prolog from the command line?

With the Windows Package Manager (winget), run: winget install SWI-Prolog.SWI-Prolog. This installs it from the official source and keeps it updated.

Is SWI-Prolog safe?

SWI-Prolog downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.

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