Uninstalling Camtasia for Mac
To uninstall Camtasia for Mac first ensure that Camtasia is not running; once you are sure the application is not running go to your Applications folder (Command+Shift+A) and locate the Camtasia for Mac icon. Click-and-drag the icon to your Trash bin and then Empty the trash. This will remove Camtasia for Mac from the computer.
There is a short video below that shows this process: