It is recommended to import the VST preset to the user presets folder.
If you do not want to import the VST preset to the user presets folder, just drag it from the download location to the Slot Rack.
The example VST presets come with a basic macro page.
The functionality is as follows:
It is an advantage if you read the accompanying page while you examine the example VST Preset. The accompanying page usually lists MIDI Scripts or UI Scripts or both. You find the scripts in the VST preset as follows:
MIDI Scripts can be found in the Lua Script MIDI module.
UI Scripts can be found in the Macro Page Designer.