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Discussion in 'macOS' started by john.feeley, Mar 25, 2011.
Does any body know how to upgrade to Leopard from above info
Select the archive and install option. As with any major work on your system, its always safest to backup your system prior to the work.
To start with you need a retail Mac OS X install 10.5 DVD to make the basic 10.5.x installation. Then you download the 10.5.8 combo updater from Apple and apply it to your basic install. A 10.5 installation disk from another Mac will not work as these OEM disks are machine specific.
You should be able to install 10.6 over 10.4 with little problem.