In this free video tutorial Mike Thornton covers the all the features that are common to both RTW Loudness Tools and RTW Mastering Tools, including how to set them up, either from scratch or by using one of the factory presets. In addition he covers how to resize the plugin window as well as configure and use of the buttons like Start and Stop/Reset. Finally he covers how to setup the standalone versions of RTW Mastering Tools and RTW Loudness Tools.
There will also be videos that cover the instruments that come in both RTW Loudness Tools and RTW Mastering Tools and another video covering the instruments that come in both RTW Loudness Tools and RTW Mastering Tools.
If you want to learn more about general loudness principles then Mike Thornton has produced a detailed tutorial series Understanding Loudness, covering the concepts behind the new loudness workflows as well as tips and tricks to help you deliver loudness compliant content.