To uninstall:

• On Smoke on Mac, go to: /Applications/GenArtsSapphireSparks7/ and double click on "Uninstall Sapphire"
• On Linux, open a shell window, type su to become root and run the following command: rpm -e genarts-sapphire-sparks7

If you have a serial number rather than a floating license, and your machine is not connected to the web, then select "Display an uninstall code to register on another computer's web browser". Follow the instructions to register the uninstall via another machine.