How to add another site in WordPress?

Question

WordPress

Such a thing: I have almost finished creating an online store and in parallel I need to create another one (IM), a business card site, a blog and a landing page. How to do this - I have no idea. Help

Answer 1

https://wp-kama.ru/handbook/wordpress/ustanovka-mu...

Answer 2

But what if we imagine that the store is just a section with many subsections?
In fact, the options are:
1) Multisite
2) Templates, friend, templates ..
3) You can play with domains, but again, see var. 2
UP:
Maybe this will help you
https://wpincode.com/ispolzuem-neskolko-tem-odnovr...