How to upgrade ZenCart from 1.3.x to ZenCart 1.5.x

First of all backup your current website’s version (files/folders/database)

Supposed you have ZenCart on pointed to /home/USERNAME/public_html

So, we will upgrade your ZenCart to /home/USERNAME/public_html/shop to prevent any issue with your current installation.

Create sub domain and point it to /home/USERNAME/public_html/shop

Create if needed shop folder under /home/USERNAME/public_html/

mkdir -p shop
cd shop/

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