This instruction is for opencart 2.x.x.x and 3.x.x.x versions

Step 1: Install Base Plugin

Install https://www.huntbee.com/base-plugin . If you have already installed this, you can skip this step.

Step 2: Install SEO Structured Data Extension

1. Download the package as per your opencart version
2. Login to your admin panel
3. Go to Extension > Extension Installer. Upload this package (structured-data-x.x.ocmod.zip)
4. Go to Extension > SEO Extensions > SEO Structured Data
5. Click on the Install button
6. Click on Edit button now and you can setup the extension as per your need
7. Go to Extension > Modifications. Click on Refresh button to refresh your modification cache
8. Test the extension completely.

Video Demonstration : Installation and Setup