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Apple Computing Products:
macOS - Operating System
A Cunning Plan....?
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<blockquote data-quote="krs" data-source="post: 1842082" data-attributes="member: 67742"><p>It's not so much that Apple devised a system to prevent newer Macs to run older macOSs but that some of the hardware required in the new Macs to keep up ith user expectations requires some of the functionality of a newer macOS.</p><p></p><p>But having said that, there is the odd Mac that will run properly on a somewhat older macOS than it was shipped with.</p><p>I have two of those, the latest one being a 2017 13-inch MacBook Air that was shipped with 10.12 but I wanted to use 10.11 to keep the same macOS that was used on the MBp it was replacing. So since there was only a CPU speed upgrade from the 2015 model which shipped with 10.10 I ewas pretty confident 10.11 would run fine - and it has now for well over a year.</p><p>So, depending how far back you want to go with the macOS, there may be options.</p><p>The other possibility that was mentioned in this forum a while back is the possibility to run an older macOS in some virtual environment.</p></blockquote><p></p>
[QUOTE="krs, post: 1842082, member: 67742"] It's not so much that Apple devised a system to prevent newer Macs to run older macOSs but that some of the hardware required in the new Macs to keep up ith user expectations requires some of the functionality of a newer macOS. But having said that, there is the odd Mac that will run properly on a somewhat older macOS than it was shipped with. I have two of those, the latest one being a 2017 13-inch MacBook Air that was shipped with 10.12 but I wanted to use 10.11 to keep the same macOS that was used on the MBp it was replacing. So since there was only a CPU speed upgrade from the 2015 model which shipped with 10.10 I ewas pretty confident 10.11 would run fine - and it has now for well over a year. So, depending how far back you want to go with the macOS, there may be options. The other possibility that was mentioned in this forum a while back is the possibility to run an older macOS in some virtual environment. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
A Cunning Plan....?
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