TL;DR: Copy this folder into LayerSlider's example directory, then open slider.html.
This slider example requires the LayerSlider plugin files, which are not included in this package. We assume that you already have downloaded LayerSlider previously and you have the extracted plugin files on your machine. If it is not the case, you can download or purchase LayerSlider by clicking here.
Navigate to the LayerSlider plugin folder on your machine and copy this folder into LayerSlider's example directory.
If you have managed to copy this file to the right place, this example should appear and work as intended when you open the slider.html file. Otherwise this example might appear broken.