In order to use WordPress you must:

If you just want to make a site, and nothing more

you must be able to

1. select a Theme
2. Select the plugins
3. Install the site locally and in the Web Server
4. Backup & Restore
5. Optimize tye site
6. Secure the site
7. Maintain the site

If you want to be a Dev you must, you have to learn

1. Basic HTML
2. Basic CSS
3. Basic JS (Javascript)
4. Bootstrap or another CSS Framework in order to create Themes
5. Colors Theory
6. The PHP dialect language of WordPress
7. How to create plugins and themes
8. And React JS in order to develop Blocks

You can use the FREE Education sites for languages

https://www.w3schools.com/

and 

https://developer.mozilla.org/

You can use our site CMS Magazine and our sitemap for FREE  project tutorials

1) https://wplecturer.com/blogs-menu-2

Select category WordPress, or Tab the tutorials of the specific site, most tutorials are for WordPress

2) https://wplecturer.com/sitemap

select your project from the sitemap, a list of links with Titles