In this tutorial we're going show you how to update from Joomla 2.5 to Joomla 3.
Three things to note before we begin:
However, for people who do want to use Joomla 3, the update process from Joomla 2.5 to 3 does work and in this tutorial, we're going to show you how to use it.
1) Create a backup
2) Make sure everything is up-to-date
3) Check your system for Joomla 3 compatibility
At the time of this writing, Joomla does not have a pre-upgrade check yet, however it's an upcoming feature that will be added soon. Until then, you must check things manually.
4) Check your extensions for Joomla 3 compatibility
There will also be a custom extension check in the new pre-upgrade check; However, until then, you need to check with your extension developers' sites, documentation, and/or support as to whether the extensions are Joomla 3 compatible. This step includes your template(s) as well.
5) Create a test site
Once you're sure that all your extensions are compatible, create another backup and a test site on the same server in a subfolder (be sure to create a copy of the database and not use the same one). You can use our Create a Joomla Test Site Using Akeeba Backup tutorial for that part.
6) Test the upgrade in the test site
Enjoy your new Joomla 3 site!
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