How to best use google search console

First of all, would be to get setup if you haven't already. Once you have your site(s) entered in and everything is set up, mess around with the available tools and see what it can do. Also, make sure you set up your google search console through your domain or by using a domain. It's just easier that way.

This site has a good walkthrough of what to do next: https://raddinteractive.com/how-to-set-up-google-search-console-getting-started-easily/