Do I have to backup all my data from my OS X version 10.5.8 before I upgrade to OS 10.6.8 and then OS X Mountain Lion?

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  • Best Answer:

    No, but it is a great idea. What will happen if something goes wrong during the install, like a power failure? How many days or weeks will it take you to replace your data? Buy an external hard drive, and open "time machine" on the mac. Simple.

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  • No,but your processor must be 2gig per dual,or it will not be powerful enough for Mountain Lion I was told by Apple. I would like to know if anyone has successfully downloaded Lion on a iMac duo 1gig,with 2gis of memory.Age of my machine 6jan2006.

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  • if you do update and have microsoft officeyou will need the key to use it.

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  • no

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