In this tutorial, we walk you through the complete process of creating a run-time plugin in Unreal Engine. You will learn what a plugin is, how to navigate the plugin development process, and learn the skills necessary to start making your own plugins for personal projects and profit.
https://dev.epicgames.com/community/learning/tutorials/379Le/creating-your-first-run-time-plugin-in-unreal-engine-5-8