Some hobbyists have written partial emulators that can run compiled .EXE files from Visual Prolog 5.2 on modern Windows using Wine or ReactOS. Check GitHub repositories tagged prolog-legacy .
In the late 1990s and early 2000s, the world of declarative programming was dominated by a few key players. While C++ and Java battled over imperative and object-oriented paradigms, a quiet revolution in logical reasoning was being led by a descendant of the famous "Danish King" of programming languages: Prolog. visual prolog 5.2 download