To uninstall any of our libraries on macOS or Windows, follow the guidelines provided by Native Instruments for Kontakt uninstallation.
https://support.native-instruments.com/hc/en-us/articles/210291865-How-to-Uninstall-Native-Instruments-Software-from-a-Mac-Computer
https://support.native-instruments.com/hc/en-us/articles/209569069-How-to-Uninstall-Native-Instruments-Software-and-Drivers-from-a-Windows-Computer