Opencart is a CMS which is totally based on PHP. Opencart is an Open Source PHP Web CMS. OpenCart is free open source ecommerce platform for online merchants. OpenCart provides a professional and reliable foundation from which to build a successful online store. This foundation appeals to a wide variety of users; ranging from seasoned web developers looking for a user-friendly interface to use, to shop owners just launching their business online for the first time. OpenCart has an extensive amount of features that gives you a strong hold over the customization of your store. With OpenCart’s tools, you can help your online shop live up to its fullest potential.This guide serves as a resource to users needing direction in navigating the OpenCart interface. We detail the aspects involved with setting up your store: complete with keeping it up to date to the latest version, meeting the technical requirements, accessing the admin panel, and uninstallation.