thanksQ1 ia automatic
Q2 you have to set that up cpanel and wordpress if that is what you're using in the settings, have an installed certificate and test to make sure it goes there otherwise you need to add a few lines to the htaccess file.
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.yoursitename.com/$1 [R,L