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I have a Powerbook G4 that someone gave me with a blank hard drive. I'd like to install OS X on it, but the only version listed on is Snow Leopard, which only supports Intel processors.

What version of OS X can I use with this G4, and any ideas where I can obtain it?

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up vote 5 down vote accepted

You can probably shoehorn 10.5 on there, but 10.6 is Intel only.

Wikipedia says that you need a 867MHz processor, 512 MB of RAM, and 9 G of drive space. As well, you'll need a DVD drive to get it installed, unless you have some other tricky method (like installing from an external HD).

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Typo correction: the minimum CPU speed is 867MHz. – Gordon Davisson Aug 25 '09 at 21:23
You're right. I've fixed my typo. – Bill Weiss Aug 25 '09 at 21:38

You could Install Leopard 10.5, but if you don't have much ram You may want to install Tiger 10.4 instead.

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Mac OS X 10.5 Leopard.

I run it on my 1.5GHz G4 PowerBook with 1GB of memory, and it runs OK for light tasks like browsing the Web, emailing, etc.

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You should be able to upgrade to Leopard (10.5) without any trouble. Leopard is the last that will work with the PowerPC procs, though.

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I've installed Mac OS X 10.5 on my iBook G4 and it runs fine. In some areas it is much faster than 10.4, plus you get to have “Spaces”.

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