Clayworks products include the app and plugin formats listed on their product pages. Harmonimo includes AU, VST, and standalone builds. Kodotone includes standalone, AUv2, and VST3 plugin targets.
macOS
Extract the ZIP, place the standalone app in your Applications folder, place Audio Unit plug-ins in /Library/Audio/Plug-Ins/Components/, and place VST or VST3 plug-ins in /Library/Audio/Plug-Ins/VST3/.
Windows
Run the installer and follow the prompts for the product you are installing.