1) How to download QOS Theme from Themeforest?
Log in your ThemeForest account.
Navigate to the Download tab.
Find Opal_WP purchase and click on Download button
Choose from All Files & Documentation or Installable WordPress File Only.
Revsliders - Contains all files slider to help you import .
Licensing - Contains text fileds license to help you upgrade theme or support.
Guide - The folder is contact document to guide you how to install and set up theme.
QOS-theme - Contains the code to install in theme.