"GSM-LCF Exporter for Rhino 5" is actually for Rhino, got it working with Config Manager like this:
-install on one machine
- copy "C:\Program Files\GRAPHISOFT\GSM-LCF exporter for Rhino 5" to a network drive
-export the reg key HKEY_LOCAL_MACHINE\SOFTWARE\McNeel\Rhinoceros\5.0x64\Plug-ins\46b72a24-955d-431a-9e6c-75b8741e7728 and its subkeys
-copy files and import reg to other machines and now your Rhino can save as gsm or lcf