To enable SSL on our Moodle, it is necessary to modify a .php file called config.php.
We can do this by modifying it from the file manager in Plesk or by connecting with an FTP client "we recommend FileZilla".
The config.php file can be found inside httpdocs.
Once we have found it, we will need to click on it to enter the Plesk editor.
We will look for line 21 and add an S to http.
So that it looks like this:
Once edited, we will need to click on Accept or Apply.