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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This is a Bootable, Universal Install CD-ROM of Mac OS 9.2.2, US English. Suitable for G3 & G4 Macintosh models capable of booting from a Classic Mac OS via CD-ROM. Mac OS CPU Software 4.9, includes the Mac OS ROM file v9.2.1. DL #1: The 9.2.2 universal OS installer CD's archive is a.zip compressed.iso image. It is OK to burn this back to CD using ImgBurn on Windows or Disk Utility on Mac. From time-to-time MacOS 9 install CD-ROMs also will appear for sale on a variety of online auction sites as well from vendors of varying quality. Where can you download software updates for MacOS 9? Apple's Knowledge Base once provided (archived links follow) a handy summary of the available updates for MacOS 9.

An easy way to run 'classic' Mac OS applications under Windows. Under Windows, software written for the 'classic' Mac OS (i.e. Versions 6 through 9) can only be run through software that emulates Macintosh hardware from 1980s and 1990s. The most advanced of these emulator programs is SheepShaver. Though you can install Mavericks (OS X 10.9) directly from your Mac's hard drive, a bootable installer drive can be more convenient for installing the OS onto multiple Macs. And if your Mac is. Mac OS 9 is the ninth and last major release of Apple's classic Mac OS operating system.Introduced on October 23, 1999, it was promoted by Apple as 'The Best Internet Operating System Ever', highlighting Sherlock 2's Internet search capabilities, integration with Apple's free online services known as iTools and improved Open Transport networking. While Mac OS 9 lacks protected memory and full.

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

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:

(Updated Dec 11, 2018)

I recently got an urge to revisit old computer media from the late 90s and early 2000s. Growing up around that time, I remember reading a lot of MacAddict and MacWorld to learn what I could do with a Mac. Building websites, graphic design, hacking the appearance of the UI, all these were explained in the pages of magazines.

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These magazines are freely available on the Internet Archive, including their cover discs. I was curious to see what applications were around back then — what about emulating Classic Mac OS to see?

Creative variations in UI design

My first instinct was to reach for VirtualBox, but that is a no go as I need to emulate a Motorola 68K or IBM PowerPC architecture. I recalled that QEMU could emulate other architectures, surely someone has already tried to emulate Mac OS 9.

Yes, many people have already written about emulating Mac OS 9, but only recently (2018) did experimental audio support come out for QEMU. Here is a short guide on how I got it running with MacOS High Sierra as the Host OS.

Note that while QEMU is available in Homebrew, it does not have the experimental audio support (yet).

Internet Archive

Magazines can be browsed right on the archive site, or downloaded as archives or PDFs (or a torrent containing all formats). Cover discs can be downloaded directly as ISO files or a torrent for the ISO. Don’t worry about seedless torrents; these ones are backed with web seeding.

Requirements

DevTools: I already have homebrew and XCode installed; because of this I was not prompted for missing command line tools. If you don’t have them, you might be prompted (by MacOS) to install them.

Hardware: I am not sure about hardware requirements, as most modern Macs will probably eclipse the power needed to run the guest OS. However if you have a low-power CPU (e.g. MacBook) then there may be some struggling.

Windows/Linux: These instructions should probably work there too, although you will probably have to substitute something else for coreaudio in the configuration step.

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Get QEMU “Screamer” Fork

These instructions are adapted from Cat_7 from the Emaculation forums

I started by creating a directory for all this emulation stuff.

Next clone the fork of QEMU with experimental audio support:

Then configure the source to use MacOS CoreAudio. I have also enabled LibUSB, KVM, HyperVirtualization Framework, and the Cocoa UI. In this case I am only compiling the emulator for PPC (32-bit).

Next use make to compile QEMU. (If you have more processor cores, use make -j 4 or however many cores to speed up the process.)

This will create a binary in qemu-screamer/ppc-softmmu/qemu-system-ppc that we can use.

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Optionally you can install these binaries to /usr/local/bin or wherever. I kept them in the ~/emulation directory to separate them from the Homebrew QEMU binaries.

Create HD for Mac OS 9

We will need to have a hard drive image for our guest OS. I made mine 5 GB in size, which would be typical at the time for Mac OS 9.

In our qemu-screamer directory, we will use qemu-img to create the disk image.

Get a Mac OS 9 Installer

If you have an ISO of a Mac OS 9 install disc (a Mac OS X classic install disc will not work — it must be bootable), then you can use that in the next step. Mac xbox game bar. If you don’t have one, you can download one from Mac OS 9 Lives: Mac OS 9.2.2 Universal Install.

Install Mac OS 9

The Mac OS 9 Lives method won’t install quite like an original Mac OS 9 installer would, but instead will use Apple System Restore to restore an image onto the hard drive.

Start up QEMU with the following options:

A breakdown of that command:

• -L qemu-screamer/pc-bios sets the BIOS
• -cpu 'g4' emulate a G4 CPU
• -M mac99,via=pmu will define the Mac model and enable USB support
• -m 512 use 512 MB of RAM, could go lower probably
• -hda macos92.img use our generated disk image for the hard drive
• -cdrom '~/Downloads/Mac OS 9.2.2 Universal Install.iso' use the ISO for the cdrom
• -boot d boot from the disk drive
• -g 1024x768x32 default to 1024x768 resolution and 32 bit colour
• -device usb-kbd enable USB keyboard emulation/support
• -device usb-mouse enable USB mouse input, will improve cursor tracking somewhat

Once it starts up, you will be able to run Disk Initializer to format your hard drive image. Go ahead and do that, using Mac OS HFS Extended as the file system. One partition is good.

After initializing the disk, run Apple System Restore with the Mac OS 9 Lives disk image as the source and your disk as the destination. This will take a minute to restore. Once done, shut down the emulated system (Special Menu -> Shut Down).

Boot Mac OS 9

Similar to the last command, except we start up from the disk we created.

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It should boot up and you will have a running Mac OS 9 with audio! I recommend saving this command as a shell script in your ~/emulation directory.

Boots much faster than it did in 2001

Tips

Backups: When the emulator is shut down, just make a copy of the hard disk image to create a backup. If something breaks your Mac OS 9 installation then you can restore the file.

Discs: You can dynamically attach CDs/DVDs to the emulated system by going to the menu bar on your host system for the QEMU application and selecting the option to attach to the CD IDE drive. It will open a dialog letting you select your ISO.

Compatibility: This is emulating Mac OS 9.2.2, released in late 2001. The emulated hardware is more or less of the same vintage, meaning software from the mid-to-late 90s will have some trouble running (as I found). The most common problem is not being able to drop down to 256 colours, although I later found a solution (link below). I have not tried emulating Mac OS 8/8.5; a cursory reading of forums has mentioned that doesn’t work yet.

Easter Egg in Finder

256 Colours

To support 256 colours you will need to add a bios driver. See the EMaculation forums for instructions; it involves replacing a file in the pc-bios directory with an older version that still supports 256 colours.

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2018-12-11 Updates

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I removed the extra arguments from configure as by default it will enable everything it can. make should use -j instead of -J. Using USB devices for mouse/keyboard improves mouse performance, but it still is a bit sluggish compared to the host machine. I found a way to get 256 colours working; see that section for a guide.