Re: Very basic need, very difficult to achieve.
Re: Very basic need, very difficult to achieve.
- Subject: Re: Very basic need, very difficult to achieve.
- From: Kyle Sluder <email@hidden>
- Date: Tue, 03 May 2016 19:17:55 -0500
On Tue, May 3, 2016, at 06:28 PM, Graham Cox wrote:
> My main dev machine runs the latest OS - 10.11.4
>
> I need to install a 10.9 image on a disk partition for development
> testing.
>
> How?
>
> Apple’s dev site is getting worse all the time - wasting its time selling
> you something you already have - OS X - but hiding away basic resources,
> like an OS 9 installer that I can download. I’ve just spent 20 minutes
> fruitlessly searching the dev site. It’s utterly baffling, taking you
> round and round in circles.
>
> How can I do this? Surely it’s actually possible, somehow?
>
> Note that I do have an old Mavericks Installer, but it refuses to run on
> 10.11, saying that the app is too old ro run on this version of the OS. I
> also have not been able to set the partition I intend to use (that
> contains the installer) as a startup disk. I seem to recall that there
> was a thread about this not long ago, I even seem to remember pitching in
> something, but now I come to need it myself, I can’t get it to work.
Downgrading the OS (even on a second partition) isn’t actually that
simple of a request. If your computer was released after OS X Mavericks,
it definitely cannot support running OS X Mavericks. It’s also possible
that a firmware fix or disk format change may have shipped in a newer
OS, and older OSes are not qualified against that configuration.
Virtualization of recent versions of OS X is permitted on Apple-branded
hardware. That’s probably your best bet.
--Kyle
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