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So, you’ve decided to download an older version of Mac OS X. There are many reasons that could point you to this radical decision. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. Also, you may have noticed your Mac’s performance went down right after the last update. Finally, if you want to run a parallel copy of Mac OS X on a virtual machine, you too will need a working installation file of an older Mac OS X. Further down we’ll explain where to get one and what problems you may face down the road.

A list of all Mac OS X versions

We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline.

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Cheetah 10.0Puma 10.1Jaguar 10.2
Panther 10.3Tiger 10.4Leopard 10.5
Snow Leopard 10.6Lion 10.7Mountain Lion 10.8
Mavericks 10.9Yosemite 10.10El Capitan 10.11
Sierra 10.12High Sierra 10.13Mojave 10.14
Catalina 10.15

STEP 1. Prepare your Mac for installation

Given your Mac isn’t new and is filled with data, you will probably need enough free space on your Mac. This includes not just space for the OS itself but also space for other applications and your user data. One more argument is that the free space on your disk translates into virtual memory so your apps have “fuel” to operate on. The chart below tells you how much free space is needed.

Note, that it is recommended that you install OS on a clean drive. Next, you will need enough disk space available, for example, to create Recovery Partition. Here are some ideas to free up space on your drive:

  • Uninstall large unused apps
  • Empty Trash Bin and Downloads
  • Locate the biggest files on your computer:

Go to Finder > All My Files > Arrange by size
Then you can move your space hoggers onto an external drive or a cloud storage.
If you aren’t comfortable with cleaning the Mac manually, there are some nice automatic “room cleaners”. Our favorite is CleanMyMac as it’s most simple to use of all. It deletes system junk, old broken apps, and the rest of hidden junk on your drive.

Download CleanMyMac for OS 10.4 - 10.8 (free version)

Download CleanMyMac for OS 10.9 (free version)

Download CleanMyMac for OS 10.10 - 10.14 (free version)

STEP 2. Get a copy of Mac OS X download

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Normally, it is assumed that updating OS is a one-way road. That’s why going back to a past Apple OS version is problematic. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer.

How to download older Mac OS X versions via the App Store


If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab. There you’ll find all the installers you can download. However, it doesn’t always work that way. The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:

  1. Click the App Store icon.
  2. Click Purchases in the top menu.
  3. Scroll down to find the preferred OS X version.
  4. Click Download.

This method allows you to download Mavericks and Yosemite by logging with your Apple ID — only if you previously downloaded them from the Mac App Store.

Without App Store: Download Mac OS version as Apple Developer

If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. The membership cost is $99/year and provides a bunch of perks unavailable to ordinary users.

Nevertheless, keep in mind that if you visit developer.apple.com/downloads, you can only find 10.3-10.6 OS X operating systems there. Newer versions are not available because starting Mac OS X Snow Leopard 10.7, the App Store has become the only source of updating Apple OS versions.

Purchase an older version of Mac operating system

You can purchase a boxed or email version of past Mac OS X directly from Apple. Both will cost you around $20. For the reason of being rather antiquated, Snow Leopard and earlier Apple versions can only be installed from DVD.

Buy a boxed edition of Snow Leopard 10.6
Get an email copy of Lion 10.7
Get an email copy of Mountain Lion 10.8

The email edition comes with a special download code you can use for the Mac App Store. Note, that to install the Lion or Mountain Lion, your Mac needs to be running Snow Leopard so you can install the newer OS on top of it.

How to get macOS El Capitan download

If you are wondering if you can run El Capitan on an older Mac, rejoice as it’s possible too. But before your Mac can run El Capitan it has to be updated to OS X 10.6.8. So, here are main steps you should take:

1. Install Snow Leopard from install DVD.
2. Update to 10.6.8 using Software Update.
3. Download El Capitan here.

“I can’t download an old version of Mac OS X”

If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model. For instance, if your MacBook was released in 2014, don’t expect it to run any OS released prior of that time, because older Apple OS versions simply do not include hardware drivers for your Mac.

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.

After you’ve completed the download, the installer should launch automatically, but you can click Cancel and copy the file you need. Below is the detailed instruction how to do it.

STEP 3. Install older OS X onto an external drive

The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks.

  1. Start your Mac holding down Command + R.
  2. Prepare a clean external drive (at least 10 GB of storage).
  3. Within OS X Utilities, choose Reinstall OS X.
  4. Select external drive as a source.
  5. Enter your Apple ID.

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. Now that the installation file is “captured” onto your external drive, you can reinstall the OS, this time running the file on your Mac.

  1. Boot your Mac from your standard drive.
  2. Connect the external drive.
  3. Go to external drive > OS X Install Data.

Locate InstallESD.dmg disk image file — this is the file you need to reinstall Lion OS X. The same steps are valid for Mountain Lion and Mavericks.

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How to downgrade a Mac running later macOS versions

If your Mac runs macOS Sierra 10.12 or macOS High Sierra 10.13, it is possible to revert it to the previous system if you are not satisfied with the experience. You can do it either with Time Machine or by creating a bootable USB or external drive.
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).

Visit your local Apple Store to download older OS X version

If none of the options to get older OS X worked, pay a visit to nearest local Apple Store. They should have image installations going back to OS Leopard and earlier. You can also ask their assistance to create a bootable USB drive with the installation file. So here you are. We hope this article has helped you to download an old version of Mac OS X. Below are a few more links you may find interesting.

10.9

The Mac OS sierra stands thirteenth in the Mac OS arrangement. Macintosh OS sierra propelled in mid-2016 made an uncommon passage into the market after the OS X. Macintosh OS sierra made a progressive move from the ongoing patterns in the Mac OS history. The Mac OS arrangement had a few issues when it went to the graphical UI which was disapproved of by numerous Apple clients. The Mac OS sierra broke the ice with its discharge ending up being the top tier as far as graphical UI just as equipment interfacing.

The Mac OS sierra beta form had the best similarity results contrasted with all different OS discharged by apple in 2016. The Mac OS sierra picked up the trust of the end-clients with the expansion of Siri and Apple pay support in safari.

Overview of macOS Sierra 10.12 ISO and DMG Image

The Mac OS sierra varied from its successors with progressive highlights that pulled the working framework into radical development in the market. The general look and intrigue of the working framework underuse appeared to be the motivation behind why the end-clients cherished the working framework upon its discharge. Here are a few highlights you should not miss in the event that you are a Mac OS sierra client.

Why is Mac OS Sierra 10.12 So Popular?

One question that may bug many users is that why is Mac OS Sierra 10.12 still so popular? And why not? In fact, the latest Mac OS version has already arrived the markets now. We are talking about Mac OS Big Sur 11.0.1. And even after its arrival, there still are a lot of people looking forward to download Mac OS Sierra 10.12 ISO and DMG.

Well, the reason is Mac OS Sierra’s top features and seamless support. Look at it like this. You bought a MacBook in 2013 and have been using it since then. Certainly, you would have used it for a large number of tasks, and might even have loved its performance, but would you be able to reap the same performance if your MacBook ran the latest OS?

It’s a fact. The latest Mac OS can be slightly heavy for the hardware. This will eventually slow down the processing of an old MacBook. On the other hand, if your Mac or MacBook is comfortably compatible for running Mac OS Sierra 10.12, it will perform optimally with this OS.

For a better understanding, you can also have a look at the top-highlight features of Mac OS Sierra 10.12.

  • Siri. A demonstration of Siri on macOS Sierra Beta.
  • iCloud Drive and Optimized Storage. This image shows what the Optimized Storage suggestions are.
  • Auto Unlock and Universal Clipboard.
  • Tabs and Picture-in-Picture.
  • Apple File System.
  • Night Shift.
  • Photos.
  • Safari and Apple Pay.

The Auto Unlock highlight

This tech highlight enables you to combine your preferred Macintosh gadget with your MacBook or a Macintosh PC. When you have matched through Bluetooth or Wi-Fi your preferred apple gadget state the apple watch when the watch is in closeness with the gadget it consequently opens without you entering the password.

This is an element that will be extremely helpful for persevering experts who are on a steady run. All things considered, the reasonableness with the element. Presently for this component to work you need a Mac that is 2013 or more seasoned. There is a period of flight highlight that is soaked up inside the element to keep assaults from transfer utilization so your gadget is additionally not abused.

This is a similar element that is available in the past age of the Mac OS arrangement however with a little change. Before you couldn’t set the time at which the night mode must enact, yet with this Sierra OS, you can set the favored time at which you need to flip the might mode. This can be set by heading off to the Preferences tab in the settings instrument. This element was particularly helpful for individuals who work nonstop on their frameworks.

Also Read:- Mac OS X Mountain Lion 10.8 ISO & DMG Image Download

General Clipboard

The general clipboard is the partner with the auto-open element. In the event that you are, Mac framework is matched alongside your iOS 10 gadgets, at that point you can share the connections that you have replicated or reorder over the gadgets that are combined alongside your gadgets. This is additionally useful in sharing rich substances like photographs, recordings also over the stages. The general clipboard highlight was all around refreshing by the end-clients because of the coordination of the gadgets over the different apple gadgets.

Picture in picture highlight

Presently the Mac clients can utilize different pictures inside a few pictures. This will assist the client in accessing more than each image in turn and is unquestionably a shelter for the individuals who are associated with altering photographs. You can likewise play recordings in the application while there are a few foundation applications that are running behind. There are a ton of other extra adaptabilities too that empowers the image in picture highlight to be a great hit among the clients.

Guardian

The Mac OS Sierra has a significant redesign in the Gatekeeper UI by including two new security includes that make the use of your framework a lot more secure and spare you from information burglary. There is an Anywhere alternative in the framework inclination tab that enables the client to execute programming programs without getting consent to run the equivalent.

The Code-sign plate highlight would assist the designer with adding his very own mark so it can’t be altered by an aggressor. In the event that the assailant attempts to contaminate the product with his pernicious code, he would need to require to re-compose his documents under another record circle that won’t be passed by the Gatekeeper.

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Framework Requirements

  • MacBook Pro – Mid 2010 or later.
  • MacBook Air – Late 2010 or later.
  • Mac smaller than expected – Mid 2010 or later.
  • Mac Pro – Mid 2010 or later.
  • iMac-2009 or later.

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Mac OS Sierra 10.12 ISO/DMG Installation Guide

While it is easy to download Mac OS Sierra 10.12 DMG or ISO files, the installation process may take a toll on you. But don’t worry. We know how to install macOS Sierra 10.12 ISO and in this section, we’ll guide you through the process, so, let’s move ahead.

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  1. Download the ISO file and don’t let it run automatically.
  2. Make a copy of the Mac OS Sierra ISO (10.12) on a disk or flash drive. Make sure the drive has enough capacity. The driver will require over 5 GB of empty space. (You can also use Dishmaker for this process).
  3. Put the flash drive into your mac’s USB port and turn the mac on.
  4. Immediately hold down the option key. You will see the screen where you can choose a startup disk
  5. Click on the flash drive and continue.
  6. A minimal work screen will pop up. From this screen click Disk Utility.
  7. Choose the flash drive’s name, click partition on the right side.
  8. Go to the drop-down saying “Current” and change it to the number of partition drives that you want to create.
  9. This will unlock the options button at the bottom.
  10. Now click options and choose the radio button for GUID.
  11. At this point, click OK.
  12. Click Apply.

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Once you have completed this process, your Mac OS Sierra ISO flash drive will be ready to install the OS on your Mac computer.

Wrapping Up

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You can download the Mac OS Sierra installer from the ISO waterway site by tapping the underneath connect and introduce it in your framework on the off chance that it satisfies the accompanying guidelines. In the event that you have a more established framework, a portion of the highlights of the sierra probably won’t work. Download the installer and introduce the Mac OS Sierra onto your preferred Mac gadget.