All previous PAB versions can be upgraded to PAB 3.0
All previous PAB organs and Editions can be upgraded to version 3, so both PAB v1 and PAB v2 can be upgraded to PAB v3. Due to the changes in the Editions, all previous editions are upgradable to the equivalent or to a larger edition. Please note that PAB version 3 supports Hauptwerk 4 and later.
How do I update my Hauptwerk v3 and v4 USB key with a new license?
How to convert PAB v1/v2 combination sets to PAB v3 with the IA Combination Set Converter application?