Prerequisites:
An already approved/verified certificate from a trusted 3rd party certificate authority.
Plesk hosting.
Steps to upload the ssl #
Log into Plesk;
Go to Domains > example.com > SSL/TLS Certificates > scroll down to the More options section > then click on the Manage button under the Download or remove existing certificates:
Click Add SSL/TLS Certificate > Scroll down to the Upload the certificate as text section;
Paste each section from the certificate file into the corresponding fields, as follows:
Click Upload Certificate;
Enabling the SSL #
Go to Domains > example.com > Hosting Settings
Enable the SSL support option;
On the Certificate option, select the certificate uploaded on the previous step.
Click OK
That is it, ssl is now installed on your domain name.