SSL Certificate (http to https redirection process).
1.https: //siteaddress.com: 2083 with cPanel user information login.
2. Enter the file manager and open the public_html folder.
3. In order to see the .htaccess file, select the show dot files option and save it.
4. Right-click htaccess file and click edit to open the editor, add the following code by editing it according to your own.
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteCond %{HTTP_HOST} ^(www\.)?siteadi\.com
RewriteRule ^(.*)$ https://www.siteadi.com/$1 [R,L]
That's it
Best Regards