Plesk: how to move a certificate of a domain to the shared IP?

1. Retrieve, in the concerned domain, the private key and the certificate (and the CA certificates if needed) and copy / paste them on a notepad.
2. Get connected as Administrator and click the certificates icon on the Server administration page.
3. Click the "Add Certificates" button and use the form to add the different parts in your possession
4. Once the certificate added (it should appear in the list) go back to the Server administration page and click "IP addresses"
5. Click the concerned IP address in the lower section and select your certificate among the drop-down list to edit the 'by default certificate'