Change Domain Name On Wix Site. Click the Show More icon next to the relevant domain and select Assign to a Different Site. Connecting your own domain to your WIX website is easy.
You must unlock your domain name get the EPP Key Authorization Code from your current domain host and confirm a couple of emails. Click Connect a domain you already own. Select a site and click Next.
To add a domain name to your WIX site the next step is to find your own domain.
Click Connect a domain you already own. When you first upgrade your site to premium it gives you an option between finding the right domain or connecting your own. If you already have a domain in your account click Add an Existing Domain then select. To change your user name.