... instalation, just unzip and run.
You can download the latest stable version from here <https://sourceforge.net/projects/qmodmaster/files/qModMaster-Win32-exe-0.5.2-3.zip/download>.
Source code is availiable for Windows and Linux for compilation using Qt <http://www.qt.io/download>.
Check out my modbus slave project <http://sourceforge.net/projects/pymodslave/>.
Checkout the following youtube videos :
<https://www.youtube.com/channel/UC3Tk2gE-KGtwOq8WWmb2R7g>