Software Mono

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.

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The main product is 'Mac OS X', the version number is, in the latest as of this writing, 10.4.10, and the name of the version is Tiger. That makes it Mac OS X Tiger, version 10.4.10. Also, 7.5.1 was the first version to say 'Mac OS' on startup, but the name of the OS wasn't officially changed until 7.6. Officially, the operating system that was available on that Mac at the time that you bought it is the oldest version of macOS that can run on that Mac. It's likely that an older OS won't include. The goal of M.A.C.E. Project is the create an runtime library and executing environment for old Mac applications, similar to Apple's deprecated Classic environment, but without needing any ROM images or System Software binaries by Apple. Foreword Ever since the introduction of Mac in 1984, many have been fascinated by the ease of use, friendly.

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.

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

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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

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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.

Since Lion’s release, Macworld has published a deluge of Lion news, how-tos, and guides about Apple’s newest version of Mac OS. Now, you can get all that information and more in one place with our Total Lion Superguide, available on the iBookstore, as a downloadable PDF/ePub bundle, on CD, and—coming soon—on the Kindle Store and as a printed book.

Total Lion is the latest in our “Total” Superguide series (following Total Tiger, Total Leopard, and Total Snow Leopard). It covers just about everything you need to know about OS X 10.7 in an information-packed 132-page book. We’ve taken the best of Macworld’s coverage of Lion and distilled it into our Superguide: Read the entirety of Dan Frakes’s six-part Lion Installation guide, along with contributions from Macworld staff members Lex Friedman, Dan Moren, Chris Breen, Roman Loyola, Jonathan Seff, and Jackie Dove.

In this book, we walk you through everything you need to know about Lion, starting with a comprehensive rundown of all the new features present in this version of Mac OS X. We help you install Lion, troubleshoot any installation woes, and learn how to set up a boot disc or drive.

Once you’ve got Lion up and running, discover how to navigate the new interface by using Multi-Touch gestures, Mission Control, and Launchpad; share files in AirDrop; and control other screens via Screen Sharing. Avoid ever having to manually save documents again with Lion’s new Auto Save, Versions, and Resume features. Protect yourself from would-be data thieves by using Apple’s FileVault 2 encryption functionality. And finally, find out about tons of new features, big and small, that Apple has added to the OS’s included applications.

We want to make sure you can read the Total Lion Superguide wherever and whenever you’d like to; as such, we’ve put the book up for sale in a variety of formats—just choose the one that works best for you.

If you’d like to read the book immediately on your Mac, look no further than our downloadable PDF/ePub bundle, available for just $12.95 from our online Web store. Read the PDF on your computer or iOS device, or load the ePub version of our Superguide on any of your ePub-compatible gadgets.

If you’d rather bypass your Mac altogether, you can buy the Superguide directly on your iPhone, iPod touch, or iPad from Apple’s iBookstore for $9.99.

Kindle and Kindle app users can download the book for $9.99.

Finally, if you’d like to give this book as a gift, you can have a high-resolution PDF/ePub bundle mailed to you on a CD-ROM for $14.95.

We’ll also soon be featuring a printed Total Lion Superguide, available for $24.99.

Not convinced? If you want to see more before you commit, we’ve created a 23-page sample PDF that includes the book’s complete table of contents and selected pages.

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Be sure to check out the other books in our popular Superguide series: iPad 2, Digital Photography, iPhone and iPod Touch, Mac Troubleshooting, Switching to the Mac, and Mac Basics. And don’t miss out on our iBookstore-exclusive title, 100 Things Every Mac User Should Know.