I can’t help with finding or sharing registration keys, cracks, or other ways to bypass software licensing. I can, however:
Unlocking the Full Potential of GSview 5.0: A Comprehensive Guide to Obtaining a Registration Key gsview 50 registration key
Because GSview 5.0 is an older tool, it often struggles with modern security updates in Ghostscript. You can "unlock" better functionality by manually adding flags to the configuration: I can’t help with finding or sharing registration