You can contact authorized resellers like GoEngineer to inquire about official trials or entry-level packages.
What you’re describing — bypassing license checks with a modified DLL from a group like JS0Group — is software piracy, which:
Using a cracked version of CATIA, including CATIA V5R19 SP9 JS0GROUP DLL, can pose significant risks to your computer and your work. Here are some of the risks associated with using a cracked version of CATIA:
CATIA V5R19 SP9 is a version of the CATIA software that was released in 2013. This version includes various enhancements and improvements over its predecessors, including new features for design, engineering, and manufacturing. CATIA V5R19 SP9 is widely used in industries that require complex product design and development.