Niagara System Use

Hello again.

So I downloaded UE4 4.20 to get my hands on the new Niagara. But, when I wanted to find out how to use it, I came to a grinding halt.

Are there any tutorials available on how to teach you how to use Niagara? This is going into the contribution to the creation of my game. Where I want the character to transform into a new form. Are there any tutorials available for such a thing?

My best guess is the live stream on An Introduction to Niagara

It is a bit long but as far as I know, Niagara is not official yet, so there is no proper documentation and how-to available so far.

Thanks will check it out