Delta Store – Theme install and setup
Delta Store is child theme of Alpha Store. There is only a small difference in the theme layout and some theme settings (follow the Alpha Store documentation).
First steps
Delta Store install: http://demo.themes4wp.com/documentation/theme-installation/
Homepage setup: http://demo.themes4wp.com/documentation/homepage-setup-alpha-store/#videoimage-tutorial
Documentation
More detailed tutorials: http://demo.themes4wp.com/documentation/category/alpha-store/
One Click Demo Import
Demo import is only included in the PRO version (documentation)