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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:

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.

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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.

These might also interest you:

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You don't need to download Lion from the App Store because you can do a clean install starting from Recovery HD, holding Command and R keys while your Mac is starting > http://support.apple.com/kb/HT4718 After starting in Recovery, erase Macintosh HD in Disk Utility, close Disk Utility and reinstall OS X.

Oct 19, 2016 Mac OS X Lion Free Download. October 19, 2016 March 8, 2017 Muhammad. Mac OS X Lion is a seventh powerful and major release of Mac OS X. It is a standalone Bootable DVD DMG Image installer of Lion OS X. Mac OSX Lion Overview. Apple has introduced many operating systems, Mac OS X is one of the powerful and stable releases from Apple. Mar 25, 2019 Niresh Mac OSX Mountain Lion 10.8.5 ISO Category(Operating System)Niresh Mac OSX Mountain Lion 10.8.5 ISO Free Download Latest for Windows. It is full Bootable ISO Image of Niresh Mac OSX Mountain Lion for AMD & Intel. I bougth a Lion copy about a year ago. Now I want to do a clean install on my Mac so I've to download the dmg of Lion from App store. Anyway from App Store I can't no more find my Lion purchased copy.

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However, it's better to make a bootable copy of your Lion installer onto a DVD or USB drive so you won't have to redownload Lion every time you want to reinstall it.

If you don't see Lion listed in purchases, check if it's hidden, and if so, unhide it > http://support.apple.com/kb/ht4928Do this before reinstalling OS X Lion from Recovery. After unhiding, go to Purchases and you will be able to download Lion. Then, use Lion Diskmaker to create a bootable DVD or USB drive with Lion > http://liondiskmaker.com

The DMG image format is by far the most popular file container format used to distribute software on Mac OS X. Here’s how to convert a DMG file into an ISO file that can be mounted on a Windows PC. Dmg file is the disc image file which is widely used by Mac systems. Most of Mac operating systems and applications are distributed in dmg files. On Windows PC, it is very convenient to manipulate dmg files with PowerISO. You can open dmg file, convert it to iso file, or burn it to a CD / DVD disc. Programs used to perform the conversion from exe file to dmg format. It looks like that the exe to dmg conversion is often sought by users that want to convert a Windows installer (usually.exe) to a Mac installer (often saved as.dmg or.app), so they can install Windows app on Mac. This is not possible. Jan 22, 2017 Well I Think I Know How To But I Need to Convert ALL The Files To A Disk Image (.dmg) And Then Package It Into A.app (Mac OS X Executable) Folder But How Would I convert Certain Files Like.bsa To A Disk Image. Aug 17, 2018 Programs used to perform the conversion from dmg file to exe format. A dmg to exe conversion is often searched by users that would like to convert an installer for macOS / OS X app (often saved as.dmg or.app) to installer usable on Windows (.exe,.msi etc.). This is not possible via some conversion utility and it is unlikely that some dmg to exe converter exists. How to convert dmg to exe.

Jul 18, 2013 5:58 AM

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Mac OS X Snow Leopard OverView:

It has come to light that an upgrade to the Mac Os X Snow Leopard would be a wise choice if your Mac is performing slowly and requires boosting, as this OS is meant to provide increased efficiency and automated drivers to the hardware you want to connect. The Mac OS X Lion system was experimented with, so this update has been eagerly awaited and OS enthusiasts are impressed to see the number of improvements they have ever wanted to see over the years. What I really like is the sophisticated user interface and the control of stacks.

Snow Leopard is one of the leading Mac systems that support all new devices and fixes. A slicker user interface that allows users to enjoy the features easily and cleanly. This multilingual operating system includes many powerful tools such as Photo Booth, Screen Sharing, Boot Camp, DVD Player, iChat, QuickTime and much more. The design of this operating system specifically pays attention to security. There are also several improvements and fixes to make this OS better than the previous versions.

Snow Leopard is one of Mac’s leading operating systems that support and fixes all latest devices. A sleeker user interfaces with a clean environment for users to enjoy the functionality without problems. This multi-lingual operating system offers several powerful instruments such as a photo booth, screen sharing, boot camp, DVD player, iChat and QuickTime. The design of this operating system is specifically based on safety. There are also several improvements and corrections to make this OS better than the previous versions. you can also check out the MacOS High Sierra DMG.

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