Re: Installing older OS X
Re: Installing older OS X
- Subject: Re: Installing older OS X
- From: Graham Cox <email@hidden>
- Date: Wed, 18 Nov 2015 12:02:36 +1100
Yeah, Apple really make it hard to set up older OS installs for dev testing.
If you copy the old installer to the hard disk partition and set it as the boot drive and reboot, does that work? The installers are (I believe) designed to run with no OS at all.
—Graham
> On 18 Nov 2015, at 11:50 AM, Quincey Morris <email@hidden> wrote:
>
> I want to install 10.8.5 somewhere, to debug an app compatibility issue on that OS, but I can’t seem to figure out how.
>
> I have an empty hard disk I can use, but there’s nothing installed on it. I’ve got the Mountain Lion installer app from the App Store, but it won’t run under El Capitan. (It’s “too old” to run.) So, without an older OS X to run it on, I can’t get an older OS to run it on. (The Yosemite installer won’t run either.)
>
> What’s the right way to go about this?
>
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