Royal TS ships a help file featuring getting started tutorials, UI documentation and a detailed reference to all properties and settings of objects and connections as well as detailed PowerShell scripting documentation. To invoke the Royal TS help, simply press F1 or click the Help button on the top of the ribbon.

The HELP ribbon page features buttons to the offline and online help file:
https://www.royalapps.com/go/help-ts-win-v7-introduction