Unpack the libraries API into your Drupal 7 modules directory Unpack this arbiterjs module into your Drupal 7 modules directory Relative to the Drupal home, mkdir -p sites/all/libraries/arbiterjs Download Arbiter.js from http://arbiterjs.com/ into sites/all/libraries/arbiterjs Create the VERSION file: echo "1.0" > sites/all/libraries/arbiterjs/VERSION Now log in to Drupal, go to the Modules administration page and enable the modules: * libraries * arbiterjs Finally, install and enable any other modules that want to use ArbiterJS