Theme and plugin are not connected to each other. Plugin can work with any theme version and any theme. Please, read documentation how to use plugin
Is it possible to make it compatible with Version 8.5.3
.If that is then which file needs to add additionally.
We have added the plugins with Rehub Version 8.5.3
but not showing .How to recover from that?
This plugin is bonus plugin, we don't provide support for setup for this plugin. You can read their documentation http://layeredpopups.com/documentation/
I have added Layered Popup in dev3.zotezo.com but that is not showing in frontend.Please check and let me know How to display that in home page and other page?