Where to start learning

Hello I just purchased 3D experience Catia and I am confused on where I can start learning.  I goal is to learn how to use Catia V5 but this is the only one I can purchase and download and I believe they are somewhat similar.  

 

I can't seem to locate tutorials, documentations are a bit hard to follow.  Some guidance would be much appreciated. 
Edu 3DEXPERIENCE CATIA