Make sure you have the latest Rhino 5 SR9 (Windows)
Download and double click on the installer to install and load both PanelingTools plugin for 64 and 32 bit Windows and also PTComponentLibrary for Grasshopper. No further action is needed. You should see PanelingTools menu when you open new session of Rhino, and PanelingTools tab when open Grasshopper.
Toolbars are also installed, but they do not load. When open new session of Rhino, go to "Tools" menu and select "Toolbar Layout...". Select "PanelingTools" from the list and check "PanelingTools" in the toolbar list to add.
PanelingTools plugin is part of the . Please note that the Paneling Tools menu is not implemented since custom user interface changes are not yet working on the Mac, but all the commands are available. Type “pt” to see all Paneling Tools commands.