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How to update Mac OS 10.4.11 and getting Mac OS 10.5.0 ?

An old iMac5,1 wishes to improve its obsolete existing capacity over time Mac OS 10.4.11 and to become a

Mac OS 10.5.0 . How can get CD / DVD for installing this leopard version .

Thanks a lot .

Cheers .



Posted on Sep 5, 2021 10:21 PM

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Question marked as Best reply

Posted on Sep 8, 2021 6:02 AM

The CD is found on Amazon and eBay at various sources. Make sure it looks like:


Does not say Update, Dropin, or OEM or a Mac model # on it.

Keep in mind:


iMac 5,1 model is an Intel model. You can upgrade iMac 5,1 to 10.7.5 following this process by this process..


10.6.8 is the last version of Mac OS X that supports Rosetta, the ability to run older PowerPC applications on the same system like AppleWorks. 10.7.5 does offer better compatibility with web browsers. Depending on what software dependencies you have, you may want to upgrade to 10.6.8 or 10.7.5. 10.5 is not that different from 10.6 except that 10.6 removes a lot of unnecessary 10.5 PowerPC code that never shows up in Rosetta.


1 reply
Question marked as Best reply

Sep 8, 2021 6:02 AM in response to fabridus

The CD is found on Amazon and eBay at various sources. Make sure it looks like:


Does not say Update, Dropin, or OEM or a Mac model # on it.

Keep in mind:


iMac 5,1 model is an Intel model. You can upgrade iMac 5,1 to 10.7.5 following this process by this process..


10.6.8 is the last version of Mac OS X that supports Rosetta, the ability to run older PowerPC applications on the same system like AppleWorks. 10.7.5 does offer better compatibility with web browsers. Depending on what software dependencies you have, you may want to upgrade to 10.6.8 or 10.7.5. 10.5 is not that different from 10.6 except that 10.6 removes a lot of unnecessary 10.5 PowerPC code that never shows up in Rosetta.


How to update Mac OS 10.4.11 and getting Mac OS 10.5.0 ?

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