These settings define the appearance and behavior of the help viewer used to display Microsoft HTML Help CHM files. They are completely irrelevant for all other formats. They used to be relevant for the Microsoft Winhelp format but that format is now completely obsolete and no longer used or supported. HTML Help CHM has been the standard Windows help format since Windows 98.
This help viewer is a component of Microsoft Windows. The settings in the help window definitions can only control the features provided by the viewer. For more information see Help Windows in the Reference section.
Help Windows (Reference)