This is Free Joomla templae, it releases under GPL2 license: http://www.gnu.org/licenses/gpl-2.0.html
In zip files, it has:
+ Quickstart Package (see how to install quickstart package: http://www.omegatheme.com/documentation/70-joomla-templates/240-how-to-install-quickstart-package)
+ Extensions And Template package (it's include: Jarvis Framework, Extensions and template, to learn how to installit here:  http://www.omegatheme.com/documentation/70-joomla-templates/239-installing-and-changing-templates-in-joomla)

+ After installed file: pkg_dulcet_theme_n_extensions_installation.zip, you can import all template setting by click: Extensions -> Template Manager -> OT Dulcet -> Advanced Tab -> Maintenance: At this area you can import file: ot_dulcet_backup.json
