These links are resume-able and can be downloaded with a Download Manager. Catalina is the first version of macOS to exclusively support bit applications. The mountain in the default desktop picture is Lone Pine Peak. Its major new features concern Continuity , iCloud , and windowing, as well as support for Apple Pay and Siri. OS X El Capitan version It is the successor to OS X Yosemite and focuses mainly on performance, stability, and security.
Following the Northern California landmark-based naming scheme introduced with OS X Mavericks, El Capitan was named after a rock formation in Yosemite National Park, signifying its goal to be a refined version of Yosemite. Mac OS X Yosemite version OS X Mavericks version The email edition comes with a special download code you can use for the Mac App Store. So, here are main steps you should take:.
Update to Download El Capitan here. If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion.
Then you will need to prepare an external drive to download the installation file using OS X Utilities. Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down. Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra.
Instruction to downgrade from macOS High Sierra. Instruction to downgrade from macOS Mojave. Instruction to downgrade from macOS Catalina.
Before you do it, the best advice is to back your Mac up so your most important files stay intact. In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers.
The easiest way to do it is to run CleanMyMac X on your machine download it for free here. They should have image installations going back to OS Leopard and earlier.
Un-archive the zip archive and you will get the app Installer. NOTE: If you get a damaged message when launching, no need to worry. Run this command in Terminal:. NOTE: While installing, if you get an error message such as Apple can't verify your computer, change the date setting to November 1st, in Terminal or System Preferences.
It should work after that. Addeddate Identifier install-os-x-mavericks. Reviewer: JackHinkle - favorite favorite favorite favorite - October 30, Subject: It works, here's some instructions: For some reason, this downloads as a 'damaged'. On macOS: - Open Finder and navigate to your download location. You can put it on a USB drive if you'd like to move the application itself to another working Mac. This can damage the contents, making the app unusable if it were to be loaded on a real Mac.
Hope this comment helps. Reviewer: XcHeeZ - favorite favorite favorite - September 23, Subject: not working its saying the installer is damaged. And then I had to go inside that.
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