Is there a ready-made solution for an online store with digital content?

Question

CMS

I have not encountered this, so the question
is Is there a ready-made solution for an online store with digital content?
requirements that it would be possible to place some kind of digital content - audio, video, text and provide access to it directly on the site for a fee or for free, so that there would be a personal account where the user can view the purchased content, billing, some kind of editor, so that a person without knowledge could easily add content

Answer 1

opencart

Answer 2

Enter in Google "Script for digital goods" and get a sea of ​​​​ready-made solutions!