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.

Open the disk image, then open the.pkg installer inside the disk image. It installs an app named Install Version Name. Open that app from your Applications folder to begin installing the operating system. MacOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion. Download Mac OS X Snow Leopard v10.6 free latest standalone offline DMG image setup for Macintosh. Final Apple Mac OS X Snow Leopard 10.6 is a powerful Mac Operating System with various new features and many enhancements. Installation DVD for Mac OS X Snow Leopard. ISO for Boot Camp and DMG for installing on a Mac.

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.

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.

Mac Os Snow Leopard Download Apple

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

Mac Os Leopard Download Free

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.

RESOLVED: Installing Xcode on my Mac installed all missing dependencies of Matplotlib, thus I was able to successfully install Matplotlib via Terminal. I currently have Python 2.7 and Python 3.8 (downloaded the.dmg via Python.org) on my Mac OS X Catalina. Feb 26, 2014 Seems that one of the files that you are trying to copy is being used by another app, for instance Spotlight. Try logging in and out of your OS X user account. You may still create a DMG backup with Disk Drill, it will help in case the source drive is unstable. Then you can easily copy your data from the backup image. I am on macOS Sierra version 12.10.16. I downloaded an application. This app has.dmg extension. I would like to install it without using sudo or without being one of the sudo users. When I do hdi. Input out error when installing dmg. Jan 19, 2015 Control Click on the “Install OS X Mountain Lion” app and choose “Show Package Contents” Navigate through Contents Shared Support InstallESD.dmg and double click to start InstallESD.dmg A volume “Mac OS X Install ESD” will appear after verifying. Use that installer inside that Volume. This works also on Lion. May 13, 2012 Cannot install, problem with dmg I purchased and downloaded office for mac. Download is fast, no problems whatsoever. After clicking the dmg I get an error, the checksum or similar is not correct and the file is corrupt. I retried about 5 times (thats quite.

Mac Os X 10.6 Snow Leopard Download

Aug 21, 2018 Download Mac OS X Leopard full setup (.dmg file) for free! MAC OS X Leopard (10.5) installation files.dmg download for free. Key features of Mac OS X Leopard ISO. Provides support for ActiveSync and Microsoft Exchange 2007; Expose feature is now integrated in the dock itself; Automatically detects device location through WiFi. Dec 03, 2016 Method to install OSX 10.5 Leopard on a Powerbook G4. Probably also usefull for other machines! Install OSX 10.5 Leopard on Powerbook G4 (a1138) with a USB drive! Install Mac OS X 10.5.

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• Aug 19, 2017 This iso works fine. Don't believe the below reviews, this DVD is meant for Macintosh systems and cannot be read from a system running Windows, it doesn't work for them due to the installer's file system being HFS+, a file system that Windows cannot understand.
• Dec 17, 2019 In the section below, you will find a step-by-step procedure for installing mac OS X Leopard ISO and DMG files to your system. Mac OS X Leopard 10.5 ISO and DMG Installation Process. As all of us are not be equipped with the right knowledge for installing ISO and DMG files on our systems, it’s important to mention the installation process.

Right here in this topic, it’s downloadable to Mac OS X Leopard 10.5.ISO, Leopard 10.5.DMG, and Leopard Torrent without Apple Store – Retail DVD!

Obviously, Leopard is no longer available to download from Apple Store if you do not have a developer account.

Leopard.DMG (InstallESD.DMG) is shared quite commonly on internet. Having Mac OS X Leopard.DMG, it is quite easy to convert Leopard.DMG to Leopard.ISO (available solutions in both Mac OS X and Windows). However, here below are 2 ways to download Mac OS X Leopard DVD Retail 10.5.ISO

Leopard 10.5 DVD Download

The following download links will make it able to download Leopard Installation in both .DMG or .ISO file type.

I, Download Mac OS X 10.5.6 Leopard.DMG

Direct download link from our server

II, Mac OS X 10.5.6 Leopard – Torrent download

How to get Leopard DVD.ISO from Leopard DVD.DMG?

it’s very simple to convert Leopard.DMG (downloaded by the above download link) to Leopard.ISO by using PowerISO in minutes under Windows or Mac OS X.

Mac Os Leopard Dmg

II, Download Mac OS X 10.5 Leopard.ISO

Mac OS X Leopard DVD 10.5.iso.zip

Mac Os X Leopard (10.5) Installation Files .dmg Download For Free

Mac OS X Leopard 10.5.ISO Torrent Download

Due to safety, we do not recommend using Torrent method to download the file.