There are two ways to fix this, the first is dangerous, and what everyone else seems to recommend. If what appeals to you isn't likely to work because it's only supported on much newer Mac models, then I wouldn't bother. The previous way to do this was to change the symlink manually, however, since El Capitan, Apple have made certain folders unchangable even to admin users, with their Rootless install.
Do you want macOS Sierra? Many of its new features are not supported even on Macs that are officially supported by the upgrade - so the answer to this will depend on what appeals to you in upgrading to macOS Sierra? To help you decide, go to Upgrade to macOS Sierra and scroll down to the Feature Requirements section. Enterprise administrators: Download from Apple, not a locally hosted software-update server.
In the end, whether you should download the upgrade is up to you. Download on a Mac that is using macOS Sierra 10.12.5 or later, or OS X El Capitan 10.11.6.
If it was me I would not proceed without a full backup ready so you could recover your system if all goes bad. MacPostFactor DeveIoped by Kelian Dumrais (MLforAll) Verison 2.0.1 JmacOS Extractor is a legacy Application that assists you in install OS X 10.8. Make sure you read all the information on this page as it contains important information you should weigh up before proceeding. If this doesn't work, the other option as you've already referenced, is to download the macOS Sierra Patcher Tool for Unsupported Macs. Once you've got a copy you could try installing from the original downloaded location to see what happens. If the App Store allows you to download the upgrade, then you could just download it (without installing it) and then make a copy of the installer.
In fact, a few weeks back I saw this occur on a MacBook Pro (15" Late-2008) model that was running Snow Leopard 10.6.8, even though Apple doesn't officially support upgrading from this hardware or OS.Īs to whether you can install it, the answer is yes, even though this isn't officially supported by Apple. However, for whatever reason, the option to upgrade to macOS Sierra is appearing in the App Store for a whole range of unsupported Macs.
Key Step: Drag the mounted BaseSystem.dmg (white one, not the file with the disk on it) into the Source field and drag ‘Installer’ (from the disk util list) into the Destination field.select Master Boot Record but make sure you are still formatting it as Mac OS Extended.Open up your terminal and run the following: cd /Volumes/OS\ X\ Install\ ESD/.go to ‘Contents/SharedSupport’ and mount InstallESD.dmg.Download the OSX Yosemite Developer Preview.app.AmongTech is not responsible for any damage this might do to your Mac Reminder:This is an unofficial guide and we highly recommend you back up all of your data before we start.
The community has found a way of installing OSX Yosemite on an older Mac Pro, here is how: How to install Mac OSX Yosemite on older Mac Pro The latest officially supported version was the 32-bit version of Mac OSX Lion but the Mac Pro’s have no problem in running a full-fledged 64-bit architecture OS. Apple’s latest operation system which is currently in beta Mac OSX Yosemite isn’t compatible with the older 20 Mac Pro while they are perfectly cable of running the new OS as far as performance goes.