The Trial Versions of the Walcker Organ from Miskolc Catholic Church has a limited compass of C2-C3 (048-c to 060-c) in the pedal, C2-G5 (048-c to 079-g) in the manuals. All other functions work.
Free download the Hauptwerk demo sample sets:
Install the package01 and then the package02. It is important to sort.
You can install both tuning and compare it with. The full sampleset is available in both version.
Gary Schlichting helped me to prepare the new tuning, I really thank him.
Walcker Organ from Miskolc only 85 EUR
I suggest you buy only after trying the demo.