This article provides you with steps on how to force your site to load in HTTPS once your installed an SSL certificate.
Step 1- Login to cPanel
Please see our article on logging into cPanelhere.
Step 2- Click on Domains
Step 3- Toggle Force HTTP redirection next to the relevant domain
NOTE: All domains with valid SSL certificates can have redirection enabled. Aliases will inherit their redirection status from their parent domain. No longer will a manual .htaccess redirect, plugin, or Apache configuration update be required.