As part of our hosting, there is no functionality for automatically creating copies of a site on another domain or subdomain. You need to perform such actions manually, taking into account the peculiarities of the site system that is copied.
To create a copy of the site, do the following:
If the target domain or subdomain has not yet been added in the "My sites
clear the contents catalog
target site and copy all the contents of the copied site directory into it.
Create a copy of the database:
on your PC an archive with a backup copy of the database of the copied site1)
If the site is bound to a domain address, replace the old address with a new one and correct the paths in the configuration files of the copy site and / or its database (instructions: WordPress