TechSmith does not offer support for unauthorized versions or systems running unsupported macOS.
TechSmith Camtasia Studio is a robust screen recording and video editing software developed by TechSmith Corporation. It allows users to record their screen, edit the footage, and produce professional-looking videos with ease. The software is widely used by educators, marketers, and content creators to create engaging video content, such as tutorials, product demos, and online courses. TechSmith does not offer support for unauthorized versions
If you're looking for a legitimate and cost-effective solution, consider: edit the footage