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Apple Computing Products:
macOS - Operating System
stuck on up grade
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<blockquote data-quote="MacBiter" data-source="post: 1950570" data-attributes="member: 421638"><p>Snow Leopard was the first full 64 bit OS X but it was a hybrid containing some 32 bit elements that were counterparts to their 64 bit equivalents. Mountain Lion removed those so it's been 64 bit only since then, but Catalina was the first to stop allowing ANY (i.e. non-Apple) apps to run. In other words, 10.8 - 10.14 were full 64 bit OS's in which 32 bit apps could run, but not from 10.15.</p></blockquote><p></p>
[QUOTE="MacBiter, post: 1950570, member: 421638"] Snow Leopard was the first full 64 bit OS X but it was a hybrid containing some 32 bit elements that were counterparts to their 64 bit equivalents. Mountain Lion removed those so it's been 64 bit only since then, but Catalina was the first to stop allowing ANY (i.e. non-Apple) apps to run. In other words, 10.8 - 10.14 were full 64 bit OS's in which 32 bit apps could run, but not from 10.15. [/QUOTE]
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Apple Computing Products:
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stuck on up grade
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