Add this code to .htaccess file.

# BEGIN Force www & https
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]

RewriteCond %{HTTPS} !on
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]
</IfModule>
# END Redirect to www https

This code will redirect all http and non www request to https and www