How can i configure my Domain?

Hi, please.
I am new on 000webhost, i built my website with you.

My web site name =

I have the domain “”. How can i do to public and configure to use may domain.

I can not found anything about the domain configuration on site

When a try to configure on “” i got the error:

I have called “” and they told me that problem is on because needs to configure first.

Where is the option to do this ?

Please, someone can help me ?

Free plan doesn’t support domains.
You can use domain forwarding if your registrar provides it.