Installing Free Certificate
ISPmanager web hosting control panel allows you to install the free SSL LetsEncrypt certificate just in a few clicks.
Follow these steps to install the LetsEncrypt certificate:
1) Go to WWW - SSL Certificates section
2) Click the "LetsEncrypt" button
3) Specify the domain for which you want to install the certificate and click "OK"
4) The certificate will be installed automatically within 10 minutes