Since Mojave This section is still work in progress It would appear that in the new Mojave App Store, older purchased OS Installers no longer appear at all, so the 'simple method' of grabbing it from your purchase history is no longer valid. Sierra & High Sierra are available via direct links - see below. Testing the El Capitan installer which has a published URL it will appear in the App Store, but if requested to download no longer says 'not valid for this Mac' it now says 'The requested version of macOS is not available'. Some further testing is required - contributions welcome - to see if other OS versions are similarly removed. We may need direct links for these, which I don't have at present. For macOS versions since Sierra.
Apple has introduced many operating systems, Mac OS X is one of the powerful and stable releases from Apple. Since Mac Lion is introduced, it is continuously improving in the terms of stability, compatibility, and security. OS X Lion for Mac, free and safe download. OS X Lion latest version: Update to Mac OS X 10.7.5. Important Note: OS X 10.7 Lion has been replaced by OS X.
Sierra itself has now vanished from everybody's Purchase History. However, Apple are keeping Sierra fully available, even though High Sierra is out. No Apple ID is required. High Sierra link tested from Mojave Jan 2019 - still works to download, though it does it via the new Software Update control panel.
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It won't run on a Mojave Mac but you have the installer in your Apps folder to move elsewhere For OS X versions from Lion up to El Capitan. I successfully re-tested this method Jan 2019 - still working as stated for a Mac limited to El Capitan. Purchased older OSes are still listed & accessible The simplest way - if available to you - is to use your Purchase History on the App Store.
If you have ever previously installed any OS X version, it will still be available to you from that list. This should include any public beta versions too. The version available from that list will always be the latest version of its type - i.e.
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10.7.5, 10.8.6. 10.11.6 Image heavily modified to show only OS versions. Note, it will say Download or Install depending on whether or not you have the Installer file saved locally - even on a non-boot drive.
If the version you are trying to download is older than the Mac you are attempting to download it to - the Store will not allow the download. looking for workarounds to this part - edits welcome - I can't test this as the newest Mac I have is a 2012 Mac Pro Potential workarounds, need testing - For older Macs If you are trying to update an older machine running Snow Leopard or Lion, then you can get a This version of El Capitan is for users running OS X Snow Leopard or OS X Lion who would like to upgrade to macOS High Sierra. If you are running Snow Leopard or Lion and would like to upgrade to High Sierra, you need to install El Capitan first.
This version of El Capitan can also be installed on computers that are not compatible with High Sierra. Note that last sentence.
This version will not install on any machine that is not currently on Snow Leopard or Lion, if the machine is capable of running High Sierra. That leaves it as quite a specific resource & not a general 'get out of jail free card' for anyone wanting El Capitan. Recovery Options If you need to reinstall from Recovery, & were previously running Sierra 10.12.4 or higher, there are now 3 options available. Hold the appropriate key combo at the boot chimes. Cmd ⌘ R reinstall the latest macOS that was installed on your Mac, without upgrading to a later version. Opt ⌥ Cmd ⌘ R upgrade to the latest macOS that is compatible with your Mac.
Shift ⇧ Opt ⌥ Cmd ⌘ R reinstall the macOS that came with your Mac, or the version nearest to it that is still available. The first 2 options are available to any Mac newer than Lion, approximately 2009. There is also the option of creating a bootable USB of the Recovery Disk, using this Apple tool - Should you have access to an older point release of any OS, 10.11.0 etc & wish to upgrade, then you can download Combo Updaters from Apple that contain everything necessary to go straight to the latest point release in a single step, e.g. 10.11.6 Google is good at finding these, as the top hit if you just search combo update 10.11 etc but here are links to a few If you need to create a bootable USB to install from If none of these methods are available to you, you have two options.
Find a friend who can access the download recommended. Find a torrent/sharing site not recommended Additional Note: There is no 'legitimate' way to download macOS from anything other than a Mac. It requires the Apple App store.
Note: You can not use a Time Machine backup to revert to an OS which is older than the OS of the latest backup on that Time Machine drive. This means that to preserve your ability to ever restore to an earlier backup & OS with your Time Machine backup, you must swap out that Time Machine drive before upgrading the OS. This is because once the Time Machine drive sees the new OS, there's no going back to the older OS using it. You can still pick data out from the Time Machine manually, but cannot use it to restore to the older OS.
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