The WooCommerce DDL plugin adds a Digital Data Layer (DDL) object to pages relating to the WooCommerce WordPress plugin. The object is constructed to the the [W3C Customer Experience Digital Data Layer] (http://www.w3.org/2013/12/ceddl-201312.pdf) specification.
Upload the woocommerce-ddl.php file to the plugins folder of your WordPress installation. Then activate it on the Plugins page.