To compile the plugin to your engine version, you will need to add the plugin to your project and a C++ class to your project (e.g. https://docs.unrealengine.com/latest/INT/Programming/QuickStart/2/index.html) and then compile the project. The included plugin will then recompile with the project and you should be able to launch it.
That said the modern rewrite isn’t too far off if you can wait a bit 