Updating has become an easy process since the release of Joomla 1.6. The developers have built in a handy updater that is extremely easy to use. This new utility should make upgrading to all new Joomla versions a quick and painless process.
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How to Update Joomla 1.7 to 2.5
February 19, 2012 |
Joomla Tutorials |
Written by Steve Burge
CAUTION: Don't do an update unless you have a backup. It's better to make a copy of the site and do the updates there, then copy it back to your main directory when you're sure everything works. Step 1: Go to the Extension Manager Click Update.  Step 2: Find Available Updates Click Find Updates. You'll see Joomla 2.5 as an option as in the image below:  Step 3: Make the Update Check the box next to Joomla and then click Update. Step 4: Finished! You've done it. You're now on Joomla 2.5 In the future you can skip Step 2, because Joomla will automatically find and show updates for you. Whenever you login you'll now see a icon on the dashboard:  |
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Comments
How do I change this? (I am not an expert.)
But not always the installartion procees will be succesfull. I'm restoring right now my website due to a fatal error caused while upgradind joomla 1.7 to 2.5
Pleas help me...
5 times it doesn´t work. Seem´s it depend´s also what kind of plugins/compone nts are installed and also the default admin-language is important.