Plesk

Securing Connections with the SSL It! Extension – Getting started with SSL It!

  1. The SSL It! extension is already installed by default.
  2. To take advantage of all SSL It! features,
    make sure that the latest versions of the DigiCert SSL
    and Let’s Encrypt extensions are also installed.

To manage an SSL/TLS certificate of a domain,
go to Websites & Domains > your domain.
You can see the current security status of the domain
under SSL/TLS Certificates: