I would recommend you the following free courses to get you up and running:

• https://www.youtube.com/watch?v=F8sNtT3gx3g
• https://www.youtube.com/watch?v=-lN88hOH_jM&list=PLY0NwRY7Ay9m85hm5wHnuDGHZYEz67WSN

This one is made by Prestashop:

• https://www.youtube.com/watch?v=Fn3WTX6pYmE&list=PLyZYn1MMU7-zLkwAkOTeb7QAgQLIvvlpq

I wish you good luck with your learning!