To get either of those, you’ll need to use a Mac which can boot in that version of macOS.If you want to run some older versions of macOS in a VM, such as Yosemite or El Capitan, you’re also likely to be out luck, even if you can find somewhere from which to download it: in his worrying summary about this subject, Michael Tsai found that they won’t install because their certificates have expired. Resolved issue 3734: Driver should Error Attempting to set Cookie on Wrong Domain.So this iMac Pro, which shipped with High Sierra installed, can still download the Mojave installer, and that for High Sierra, but Sierra and El Capitan aren’t actually available despite being offered in the App Store. The basic rule appears to be that if you try to Get a version which is too old for that Mac to boot, then this is what you see when Software Update tries to get it for you:For older version of Chrome, please see below for the version of. Those links do take you to pages in the App Store for those older versions of macOS, but whether they will deliver them to your Mac isn’t as simple, I’m afraid. For earlier versions of Mac OS X, including Mac OS X Mavericks 10.9, Mac OS X Mountain Lion 10.8, Mac OS X Lion 10.7, Mac OS X Snow Leopard 10.6, Mac OS X Leopard 10.5, Mac OS X Tiger 10.4, and before, the process to obtain those installers. If not, you can find the direct links here for Apple’s sites to download Sierra, High Sierra, and Mojave here.Older versions of Mac OS X installers can often be downloaded as well, but from different sources.Once the OS is installed you can revert the clock back and make available legacy OS updates / patches (through Apple downloads / servers) as required, i.e.the issue is only with the installer, not an Apple veto on using it.Apple kindly installs the recommended (next) OS installer in your apps folder. It can be circumvented in a couple of ways including setting your Mac’s clock back to an earlier date during the installation as you point out. The OS installer / timestamp issue: – yes this is so although you don’t get a clear indication of the cause on screen, just a compatibility error message that tends to stop people in their tracks. I would add a couple of points to confirm your notes and for those with less experience of running older OS’s. Experience tells us that certainly won’t make it any easier to obtain old macOS installers, and I suspect that even finding the Mojave installer in the App Store will become harder in a few weeks time.Thanks for this. I strongly recommend that you avoid using any of those: some could possibly be malicious, they’re good targets for attackers to subvert with malware, and they’re also a breach of Apple’s copyrights and licensing.Whatever you decide to do, I still recommend that you do it now, before Catalina’s release.As well as running older software and editable access to legacy work files, I can often port older software to newer Macs (and OSs) running the installer on the old system first then a clone – often the issue is with the installer not recognising a newer OS, not the application itself. I have an original G4 400 AGP I bought in 2000 still running OS 9.2.2, a late 2005 DP G5 cheese-grater running PPC OS 10.5.8 and an early first Intel Mac Pro 1,1 running 10.6. I have 10.1 through 14 as installation packages in one form or another, helped by the fact that I have also been cloning my OS for 20 years (back to OS7!) and run multiple older Macs for access to legacy files and software – I’ve been a graphic designer on Mac since 1995 and I have occasion to run Quark 3.2 (still). These are standalone in the sense that they have the core files within them rather than scripts accessing online servers.Taking that on board, if you have been on Macs for a few years and back up regularly, the first place to look for an earlier ‘official’ installer package is your own apps folder archives.
![]() Find Old Versions Download The MojaveApple lead the personal computer revolution, but Cook must have missed that memo. Nearly every facet of the Mac experience has become more convoluted and less discoverable if not outright impossible to effect any longer. Tim Cook has all but destroyed much of what made the Mac platform so easy and advantageous to work with. Also useful for sorting deep routed system repairs.This is but one of the many reasons I am angry with Apple these days. You can then boot from the flash drive and launch the installer package from there which allows a little more control with the target Mac. Of course you have to be careful with security as older OS’s wont be officially supported but there are ways and means for this, including a hardware fire-walled LAN and I don’t run any sensitive data on them.Going back to this post, the other thing you can do with the installer packages is to create a bootable USB flash drive and copy them onto this. Skype for business office 2016 macAnd that, my friend, explains why I will continue to demand excellence from Apple and will never settle for less. I know Apple can do better, much better. I drank the kool-aid that Jobs served and passionately supported Apple for decades. I get that a huge number of Apple’s customers are good with this, but I am not. The ‘software as a service’ house of cards will have utterly collapsed. Not only will future desktop software fail, but the servers and routers that are essential to getting the desktop software working will likewise fail (talk to long-time gamers about that one), and even troubleshooting itself will be hampered by a dependance on tools no longer available. I think the next Y2K-level problem that computing will experience is a major Internet glitch that results in everyone’s cloud-entangled software failing to the point where recovery imparts a crippling cost not imagined by today’s risk assessors. Then locate the next year’s installer and repeat.There are two areas of concern with this needlessly-complicated tango: first is that performing the same steps in parallel on a 2009 Mac Mini yielded a slightly different file size for what should have been an identical installer and second, I don’t know if my Apple ID is embedded in any of those files.Add to that the prospects of the certificates expiring at some point in the future and it feels like we will soon be ‘using’ MacOS only at Apple’s pleasure. The process was fairly straightforward but tedious: download the next year’s installer, save a copy to a separate disk, and then install onto the boot disk to advance it one notch. I had bought the DVD for that release, as well as 10.6, and guard them closely.I can’t remember where I found the links, but starting with 10.6.8 on the boot drive I managed to then download all the subsequent online-only installers from 10.7 to 10.11, which is the last version of MacOS compatible with that machine.
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