Do you want to know how to install the Revolution slider plugin?
This post is how to import demo data, not for plugin installtation.
Please go to Appearance > Install Plugins, the “Revolution slider” will listed here, plz install and activate it:
if you use the installer in WP (plugins > add plugins>choose file) , you should choose the zip package here:
1) unzip the main zip file download from themeforest
2) find the file in: /plugin/RevolutionSlider/revslider.zip