This guide will advise you on how to force SSL connections via the .htaccess file.
Step 1:
Find and edit the .htaccess file. It will be in the root directory of your website / FTP.
Step 2:
Add the following code to the top of the .htaccess file
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]