To set automatic url redirection from http://domain.com to https://www.domain.com

1. Go to your Filemanager
2. Find .htaccess or create a file new file

Put this content in .htaccess

RewriteEngine on
# force ssl
RewriteCond     %{SERVER_PORT} ^80$
RewriteRule     ^(.*)$ https://%{SERVER_NAME}%{REQUEST_URI} [L,R]