I am in search of some help regarding the WordPress Multisite .
What I want is
Let say my website is www.xyz.com
Simmy Rayn registered with us and
when he gets registered with my website I want that system website will give him his own url. e.g
I want to achieve this . I read that Multisite (MU) & wpmudev but I need free solution.
Any guide from any one will be heavily appropriated.