[ Thanks to Naheed
for this link. ]
“In this article by Murat Yilmaz, author of OpenCart
1.4 Beginner’s Guide, we shall learn about:* Making a backup of current OpenCart system
* Downloading the latest OpenCart version
* Uploading the new files to a server
* Running the upgrade script
* Checking whether everything works as expected or not
* Restoring the OpenCart system if an upgrade fails or has serious
problems“This article is suggested reading even for an experienced user.
It will show us any possible problems that might occur while
upgrading, so we can avoid them. Making backups of the current
OpenCart system“One thing we should certainly do is backup our files and
database before starting any upgrade process. This will allow us to
restore the OpenCart system if the upgrade fails and if we cannot
solve the reason behind it.”