4.16 Splat Map

I am new to unreal and trying to mess around with terrain and splatmaps, how do i make it work in the newer versions. Please note i am very new to unreal engine so i need the answer dumbed down.

World machine image: Screenshot - 62d44516ddbd277d59451c079c14dd4a - Gyazo

Material in unreal engine: Screenshot - e9166978606a85174ad57db2f10b2689 - Gyazo

Video I am using: