Windows
 C:\Users\(USERNAME)\AppData\Local\gegl-0.4\plug-ins
 
 Linux 
 /home/(USERNAME)/.local/share/gegl-0.4/plug-ins
 
 Linux (Flatpak includes Chromebook)
 /home/(USERNAME)/.var/app/org.gimp.GIMP/data/gegl-0.4/plug-ins
