The only safe way might be running an old, already-activated copy of ProShow on an old PC or virtual machine. Transferring licenses is no longer possible. Some users have had luck contacting Photodex’s old support email (unlikely to respond).
Instead of using repacked software or cracks, consider the following alternatives: proshow producer 90 3797 registration key repack
Since you can no longer purchase a legitimate license from Photodex, users turn to archived repacks to maintain their workflow. The only safe way might be running an