How to Create a Subdomain and Install WordPress on it?

In the tutorial, I will show how to create a WordPress subdomain site on your main domain.

What are Subdomains?
A subdomain is a second website which can be used to host content different than your main website.

Ex. is a URL with subdomain “tips”.
In that ‘.com‘ is the first level domain, ‘site‘ is the second level domain and ‘tips‘ is the third level domain.