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> it’s a long, slow process Genuine question: why do it at all? For obscure legacy apps that no longer work on modern versions? For nostalgia? Is there any rea

> it’s a long, slow process Genuine question: why do it at all? For obscure legacy apps that no longer work on modern versions? For nostalgia? Is there any reason outside of these?

lstamour 5y ago
The only reason I can think of besides app testing would be if you had a Mac released in late 2013 or early 2014 and you wanted to run macOS 10.9 directly. You can sometimes use Internet Recovery to re-download a copy of 10.9 as it shipped on the computer, but maybe your Internet is poor, or you want to install the OS from a different model of computer, then put it back in the computer that originally shipped with 10.9? So there are reasons, but the list is pretty small. You can see which OS was originally installed when the Mac model was first released at https://everymac.com/systems/by_capability/minimum-macos-supported.html https://everymac.com/systems/by_capability/minimum-macos-sup... And I should have clarified that there's a difference between doing an Internet Recovery and a Recovery Boot. Your Recovery Boot is often the latest version of macOS (though I might be wrong about that, all I remember is the UI changes with new version upgrades) while Internet Recovery is the original version of macOS that shipped with your Mac. (It always looks a bit ugly...)
- brundolf 5y ago
  I should clarify: I can see why this is a good strategy for installing a past version of macOS. What's unclear to me is the motivation for doing so
selfhoster11 5y ago
Legacy software support sounds like a perfectly viable use case.
sho0-z0l 5y ago
Because: 32 bit, accessing features which have been removed and decrease value of products (search for target display mode via cable in iMacs pre 2014/2015 I think)... Also there is privacy concerns because of the new telemetry (I don't know exactly but I read they are sending your app binaries to some signing servers). Also there is products that still work great for specific tasks and why on earth would I pay a s... load of money to get a shiny new product when an old one from the dumpster will do? I will never understand this attitude of many folks towards the waste of the resources of our mother earth. (Yes I know you look really cool with the new watch, pad, phone and pods and maybe you need it but I sincerely hope not).

> it’s a long, slow process Genuine question: why do it at all? For obscure legacy apps that no longer work on modern versions? For nostalgia? Is there any reason outside of these?

lstamour 5y ago

The only reason I can think of besides app testing would be if you had a Mac released in late 2013 or early 2014 and you wanted to run macOS 10.9 directly. You can sometimes use Internet Recovery to re-download a copy of 10.9 as it shipped on the computer, but maybe your Internet is poor, or you want to install the OS from a different model of computer, then put it back in the computer that originally shipped with 10.9? So there are reasons, but the list is pretty small. You can see which OS was originally installed when the Mac model was first released at https://everymac.com/systems/by_capability/minimum-macos-supported.html https://everymac.com/systems/by_capability/minimum-macos-sup... And I should have clarified that there's a difference between doing an Internet Recovery and a Recovery Boot. Your Recovery Boot is often the latest version of macOS (though I might be wrong about that, all I remember is the UI changes with new version upgrades) while Internet Recovery is the original version of macOS that shipped with your Mac. (It always looks a bit ugly...)

brundolf 5y ago
I should clarify: I can see why this is a good strategy for installing a past version of macOS. What's unclear to me is the motivation for doing so

selfhoster11 5y ago

Legacy software support sounds like a perfectly viable use case.

sho0-z0l 5y ago

Because: 32 bit, accessing features which have been removed and decrease value of products (search for target display mode via cable in iMacs pre 2014/2015 I think)... Also there is privacy concerns because of the new telemetry (I don't know exactly but I read they are sending your app binaries to some signing servers). Also there is products that still work great for specific tasks and why on earth would I pay a s... load of money to get a shiny new product when an old one from the dumpster will do? I will never understand this attitude of many folks towards the waste of the resources of our mother earth. (Yes I know you look really cool with the new watch, pad, phone and pods and maybe you need it but I sincerely hope not).