Upgrade Joomla 1.6.3 to 1.7.3 to 2.5

For some reason, it seems very hard to upgrade from Joomla 1.6.3 / 1.7 to 2.5. 

In order to upgrade successfully, I manually upload the relevant Joomla package into the /tmp directory of the site and install 'from url' in the Extensions Manager of Joomla.

To do this, I have needed older Joomla 1.6 / 1.7upgrade package files - the package files for old releases are very hard to find.

Here is what I did:

Hope this helps everyone!

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