Download the plugin from your account and Install it via Plugins area on your WordPress dashboard – Steps could be found here.
This plugin to work requires the following as minimum:
Mharty Theme
Mharty Composer Plugin
WooCommerce Plugin
Classic Editor Plugin
After activating the plugin you will find its settings in Pluginty panel
Here you could choose to display the composer content on the front-end of your website inside the description tab, Above content, or Below content.
To access the product Composer go to edit any product to be presented with the “Use the Page Composer” at the top of the main editor.
To know more about how to use mharty page composer go to the official website here. (Arabic only)