Download Link
Windows:
MacOS version is coming soon!
Installing the plugin (Windows)
In Autodesk Maya go to Windows -> Settings/Preferences -> Plug-in Manager
Browse the downloaded mll file called "rslm.mll"
Enable it. You can also enable Auto Load if you want it to start eveytime you open Autodesk Maya.
Installing the plugin (Mac Coming Soon!)
Stay tuned! Coming to a Mac OS