Unable to add Crystal Plug-in

I installed a crystal plug-in onto my computer but it does not show up in my plug-ins manager. I’m new to this software so I’m not quite sure how to get this to work. Any advice would be appreciated. Thanks.

  • version of ardour?
  • platform you’re trying to run ardour on?

It is Ardour4 and I’m trying to run it on a Mac OS X