1) Upload/install the Libraries API module
2) Create a sites/all/libraries directory on your server
3) Create a directory within sites/all/libraries named jquery.selectbox
4) Download the latest jQuery selectBox plugin from https://github.com/claviska/jquery-selectBox/downloads
5) Upload/install the jQuery selectBox plugin: place it inside the jquery.selectbox directory
6) Enable the jQuery selectBox module
DKAN is a community-driven, free and open source data management platform that gives organizations and individuals ultimate freedom to publish, share and use data.
DKAN 2, released in May 2020, is NOT a distribution. DKAN 2 can be installed as a module and supports the latest versions of Drupal core. It is a ground up rebuild of the platform, integrating architectural insight from DKAN 1 and many new capabilities.