PHP

RewriteEngine On

RewriteCond %{HTTP:X-Forwarded-Proto} !https 
RewriteCond %{HTTPS} off
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

RewriteCond %{HTTP_HOST} .
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule ^ http%{ENV:protossl}://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

1 . Go to the website https://getcomposer.org

2 . Download the window installer i.e. “Composer-Setup.exe”. When you click on this file after downloaded, you will see the following dialog box.