NOTE: before importing the demo content, make sure you have installed & activated "Jetpack", "Contact Form 7" and "Shortcodes Ultimate" from within Appearance > Install Plugins.
For Jetpack install you must connected to jetpack, go to jetpack development mode and follow the instruction. After that go to jetpack at top of admin panel and view the feature you need like tiled gallery.
Both the theme content and theme options have been provided so that you can set up the theme to look exactly like the demo in a few minutes. You can find the main demo XML file, along with the demo content XML files for each of the example sites in the main download folder. This XML file is to use through the WordPress import tool, which can be found in Tools > Import > WordPress. Follow the steps to import the demo content and leave the final page to load with a confirmation that the content has been imported successfully (this may take some time).
The theme options text file is to copy and paste the contents into the box provided within Theme Options, under the Import/Export sub-menu.