Install Composer

First, check if Composer is already installed:

In a command prompt, enter any of the following commands:

• composer --help
• composer list --help

If command help displays, Composer is already installed.

If an error displays, use the following steps to install Composer.

To install Composer:

1. Change to or create an empty directory on your Magento server.

2. Enter the following commands:

   curl -sS https://getcomposer.org/installer | php
   mv composer.phar /usr/local/bin/composer
   

   For additional installation options, see the Composer installation documentation.

Next step

• Get the Magento Open Source metapackage
• Get the Magento Commerce metapackage