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How do I upgrade from Leopard to Mountain Lion?

Can I upgrade directly or do I have to go through Snow Leopard etc.?

MacBook, Mac OS X (10.5.8)

Posted on Sep 22, 2012 11:42 AM

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7 replies

Sep 22, 2012 11:46 AM in response to L3MMill

First, determine how high you can upgrade.


SL requires an Intel processor and 1 GB RAM, though more RAM is better.


Lion requires Core2Duo processor and 2 GB RAM, though more RAM is better.


Mountain Lion has higher requirements: http://www.apple.com/osx/specs/


Also review applications that do not work under Lion or ML to see if you will lose critical functionality: http://roaringapps.com/apps:table


Research first, as too many have discovered only after the upgrade that things are lost to them.


You can buy SL or Lion from 1-800-MY-APPLE. SL is a disk ($19 single disk license, $29 for 5-user license). Lion will be a $19 download code to use in App Store that you get with SL.

How do I upgrade from Leopard to Mountain Lion?

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