Blackmagic Design’s Fusion is FREE and can be downloaded here https://www.blackmagicdesign.com/products/fusion
Scroll down for LOTS of FREE new user tutorials
For people who have some compositing experience and who want to jump in a little quicker please start with either …
Which will get you going with a simple 2D project or …
Which will get you going with basic 3D in Fusion.
Otherwise, the Fusion Basics course is in development and will continue to appear on this page as it is released. Please be patient as I record and release this series
etc etc etc as they are produced – watch this space!