If you cannot find your serial, it may be time to move to a modern editor. Modern software is faster, supports 4K/8K video, and is much more stable.
If the software is still installed on an old PC, you can often find the key in the Registry Editor under HKEY_LOCAL_MACHINE\SOFTWARE\Pinnacle Systems . 2. Solving Installation & Compatibility Issues serial para pinnacle studio 9 plus updated
If you’d like, I can instead: