i want to purchase theme to sell auto parts

I would like to purchase a theme but I need one that meets the following requirements:

– php 8.0

– When I click on the “Shopping” page,
I would like to display categories instead of products and be able to display products or categories as per customer desire in addition to the usual options for searching and sorting

– Support wpml plugin and rtl languages

– not include “shopping cart”, “add to cart” or “product review” … etc.
Which means deleting all items related to selling products because I want to create a site (catalog) and enable subscriptions and paid membership accounts.
So I will not sell products

-If I bought a theme, is there a tool to install it directly ??
If not, is there any video explaining how to install it ??
If not, if i somehow installed it, would it be like a live demo (All its pages and its contents) and I just need to replace it with my contents
??

In short, after installing the theme, will I have a fully functional site with demo content, all I have to do is replace categories and products through the Dash Board without any dealing with databases or code and everything will work correctly exactly as expected ??

All i have to do is just replace the images and text ??

thanks in advance