How to unpublish 000webhost website

Hello everyone,
I am just newbie here, learning the php, I have published an website on this platform and this was just for knowledge. Now, I want remove that website from my account.
Can you please describe me in simple steps to remove website and create new one on place of that.

General settings then delete

Note that you’ll not be able to register another site with the same name. So if you want to keep the name, use the reset button