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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.

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:

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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

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.

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.

Apple have always been impressing the crowd with their software and hardware enhancements over the year. To add a feather to that cap, Apple has redefined the operating system experience with the Mac OS X Mountain Lion 10.8.

Overview

The Mac OS X Mountain Lion released after being in the Beta version run for a very long time. The Mac OS X Mountain Lion is much more efficient and technologically sound enough to secure your data much stronger than the previous Mac OS Versions, claims Apple. The user interface is said to be improved and much sleeker in the aesthetic appeal.

License
Official Installer

File Size
4.43GB

Language
English

Developer
Apple Inc.

Apple has made sure to take in the views and considerations of the Beta version users and the tweaks made through this update are a strong testimony to it. The environment is fabricated with a much easier user experience to tackle all the problems efficiently and smoothly. The Wi-fi performance is also tweaked up to give you seamless connectivity and improved upload and download speeds.

The Mac OS X Mountain Lion 10.8 also houses a better and stable operating system with its release so to give the user the hassle-free experience. There has been a lot of speculations that a huge amount of data can be sent over the internet before the release. Apple made that true with the release of the Mac OS X Mountain Lion 10.8.

Some of the very much looked up to feature in the Mac OS X Mountain Lion 10.8 is

1. Stable Operating System

The stability in the Operating system is a much looked upon the issue in the software framework of Apple. With tons of reviews and inputs from the user, Apple has finally cracked the code and has increased the stability of the operating system with the release of the Mac OS X Mountain Lion 10.8. The framework has been worked upon and the tiny attention to details has been given to enable the smoothest user experience for Apple.

2. Security Enhancements

There are also improved security enhancements with this update. Apple has been a company that always believes in keeping the security details and the privacy of its customers and has maintained the same till date. The more improved security enhancements in the Mac OS X Mountain Lion 10.8 update have been top-notch with more security beefed up for browsing, uploading data and as well as downloading data from the internet. The safety protocol involved with apple mail has also greatly improved.

3. Increased Performance of MacBook

Well the Mac OS X Mountain Lion 10.8 is the dawn update for MacBook users especially. Apple focused on decoding and solving the bugs that erupted among the various MacBook users with the Beta version release of the Mac OS X Mountain lion. The Mountain Lion OS also improved the user interface of the MacBook interface.

4. Sending Huge data over the internet

The Mac OS X Mountain Lion 10.8 had many expectations before its release out of which sending huge data over the internet was speculated. It was initially considered as a fan-made rumor but Apple made it a reality with the release of the Mac OS X Mountain Lion. Now wit the release of the Mac OS X Mountain lion, you can send huge amounts of data over the internet which was previously not allowed by the Apple Mac Servers as the Software couldn’t support such a feature with its previous OS versions.

5. Fixes for Screen Saver Issues and Smart Card

The issues that popped up with the previous Mac OS versions speculated a lot of commotion among the Apple users such that apple made it a top priority to make sure that they solved the issue with the next update. The screen saver framework was improved along with the issues that popped up with the Smart card as well. The improvements in these aspects made the Mac OS X Mountain Lion top of the game and well appreciated and welcomed by the users.

There are also many more features to add up to the mentioned features, the other upgrades are minute details and those improvements haven’t created a bigger impact on the user experience.

System Requirements of the Mac OS X Mountain Lion

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• Minimum RAM requirement of 2GB.
• Free Hard Disk Drive of 8GB.
• Intel Multi-Core processor.

Download Mac OS X Mountain Lion 10.8 ISO and DMG Image

Os X Mountain Lion 10.8.4

The Mac OS X Mountain DMG file can be downloaded from the below link. The Mac OS X Mountain Lion is considered to be a very stable operating system and won’t be much of a trouble to the users. Make sure that the minimum system requirements are met. The File size is around 4.2 GB. You can also download the DMG file of various other operating systems from the ISO River website.