Upgrading

NOTE: UPDATED INFORMATION ABOUT UPGRADING CAN BE FOUND HERE:
https://docs.zen-cart.com/user/upgrading/


TL;DR / Executive Summary:
Are you looking for a quick way to understand best practices when upgrading your Zen Cart site? The easiest way to view it is as "a rebuild while keeping all the existing data."

This article contains 3 sections:
1. What an upgrade is, and what it is not.
2. An overview of how to rebuild a site using ...