Since Corel acquired Pinnacle, they occasionally offer support for legacy users. If you have proof of purchase, they may be able to provide a manual activation code.
Activation keys for Pinnacle Studio 14 can be obtained in several ways:
can sometimes provide manual unlock codes if you have proof of purchase. Run the Content Transfer Wizard: If you're missing previously purchased premium packs, go to Help > Regenerate Activation Keys within the software to re-sync your account. Important Compatibility Note Pinnacle Studio 14 was designed for Windows XP, Vista, and Windows 7 . If you are running it on Windows 10 or 11
Difference between product key and activation code - Microsoft Support
Search your email inbox for keywords like "Pinnacle license" or "Pinnacle activation." The serial number is usually in the order confirmation.