Community Tutorial: The Beginner's Guide to Niagara

In this tutorial, we’ll guide you through the fundamentals of the Niagara VFX system, delving into key concepts like particle systems, emitters, modules, and parameters. Our journey will begin with creating and customizing various visual effects, starting with simpler ones like sparks. In future videos, we’ll progressively tackle more intricate simulations, such as fire, smoke, and even water.
No prior experience with the Niagara VFX system or Unreal Engine is required to follow along with this tutorial. We will commence from square one, leading you through each step, and offering lucid explanations and hands-on examples throughout the process.

https://dev.epicgames.com/community/learning/tutorials/7d8d/unreal-engine-the-beginner-s-guide-to-niagara