The website of Mr. Martin Dyde (Milan Digital Audio), who has made all of this possible is:
Without the program he created, Hauptwerk, we would not be able to do anything!
At this time (2023) 7.0 is the latest version.
What is most remarkable about these new versions is the greatly reduced loading time for a sample set.
Also, adjusting the tuning and selecting a temperament has been greatly simplified.