Is there a free version of Bitrix for self-study? And which edition to choose for the online store?

Question

CMS

Hello. Actually the question is in the topic title.
I want to learn a system for creating online stores, etc.
In terms of functionality, there should be a personal account, the possibility of registration, a basket, filters by goods, payment, order, etc.

Answer 1

Like this

Answer 2

store - "small business"
store with warehouses and several prices for goods - "Business"