How to upgrade osCommerce Updated on February 3, 2021 by Brad Markle 0 Minutes, 40 Seconds to Read The steps for upgrading osCommerce vary based upon which version you’re currently running and which version you would like to upgrade to. Because of this, the aim of this article is not to provide you with step by step directions for upgrading, but instead to help you find the correct upgrade documentation for you. While we can guide you to the osCommerce upgrade guide, the upgrade process is not very user friendly. If you need assistance with upgrading osCommerce, it is suggested to post a question in the osCommerce forums. Visit the osCommerce Downloads page and download the version you would like to upgrade to. After the file has been downloaded to your computer, unzip it. After you have unzipped the files, open the osCommerce folder you will find an upgrade_guide.pdf file. Share this Article Related Articles Set up SSL with OsCommerce and Zen Cart Getting Started Guide OsCommerce How to add a new category in osCommerce Adding Google Analytics to osCommerce Setting up SMTP with osCommerce OsCommerce register_globals error How to perform a bulk price change for all products in OSCommerce How to find your database name in osCommerce How to Install osCommerce via Softaculous How to Secure the configure.php File for osCommerce