If you have imported the dummy data, and set your front page to one of the demo home pages, right now you should see a red text alert sayingRevolution Slider Error: Slider with alias capital-main-slideshow not found. instead of your slide shows, that is only because you have not created/imported any slideshows yet. Well with the power of Revolution slider you can do that very easily.
On your wordpress admin, click on Revolution Sliders link on the right hand menu panel. Click on the green button saying Import Sliderclick on the Choose File button and from the files you download from themeforest browse for essential-imports → slideshows folder, and select one of the zipped slideshows to import into your plugin. Leave the rest of options intact and hit Import Slides button.
Go ahead and import other slideshows if you want.
Refresh your home page, and now you should see a nice layered slideshow appearing on your store front page.
Take a look at this video to learn more