Click on HTTP/SSL.
Within the SSL Certificate section, click the Add or Manage Certificate button.
Paste your SSL's certificate and Private Key into the relevant fields.
Make sure to paste the CA-Cert/ Chain cert into the Certificate box after the Certificate as well.
Lastly click the Add Certificate section and the platform will apply the SSL to the site for you.
You can check to make sure your SSL is installed correctly by using our SSL checker.