- Extract the zip file and copy the Admin and Catalog folder from the version that suits your OpenCart store(2.2x, 2.3x or 3x)
- Copy Vqmod file in the root of your site(If you have vqmod already installed, just copy "store-order-id-for-piwik-processing.xml" file in vqmod/xml folder)
- Go to http://www.yoursite.com/vqmod/install(It doesn't necessary if you have already installed vqmod)
- Register for a free account
- Go to the Analytics section in the Extensions and install Universal Chat there
- After installing, click the EDIT button of Universal Chat
- Copy your Html Widget Code to the plugin
Note: in case you are not using the English language you must copy the "universal_chat.php" file accordingly. The language file for the English language of the admin area are in the admin/language/en-gb folder.