How can I update a Captivate 9 project?

Hello, I have a very complex project created in captivate 9, I’m trying to update it using my current Captivate 2019 but it’s nor possible. Many things are broken by incompatibility. I would like to know if anyone already had this problem and how to fix it? It is possible to downgrade my licence and have access to Captivate 9, or download it somehow? I don’t mind paying for a new licence only for Captivate 9 if it’s the case, […]