In this tutorial we are going to install Plesk Web Admin SE Control Panel on Vultr VPS. This allows you to create 3 websites and unlimited sub-domains completely for free on per VPS instance. This free offer is limited to some VPS providers only, for other VPS providers which are not supported you will have to buy Plesk Control Panel license. So it is recommended to use Vultr VPS which offers really great performance at affordable price.