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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.

As early as Mac OS X v10.5 build 9A466 the community has maintained a version of Leopard that can run on non-Apple hardware. A hacker by the handle of BrazilMac created one of the earliest patching processes that made it convenient for users to install Mac OS X onto 3rd party hardware by using a legally obtained, retail version of Apple Mac OS X. For others, there's SheepShaver, a PowerPC emulator capable of running Mac OS 9.0.4 down to Mac OS 7.5.2 and there's Basilisk II, a 68k emulator, capable of running Mac OS (8.1 to 7.0). For everything older than System 7, you will need a Mac Plus emulator like Mini vMac NEW!

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

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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.

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

Legs Mosquito

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

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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.

Medically reviewed by Drugs.com. Last updated on March 17, 2021.

Applies to the following strengths: 12 mg; 6 mg; 2 mg; 4 mg; 8 mg; 0.25 mg; 0.5 mg; 1 mg; 5 mg; 3 mg; 0.25 mg-0.5 mg-1 mg

Usual Adult Dose for Parkinson's Disease

Immediate-release tablets:
Initial: 0.25 mg orally three times daily
After 1 week, the dose may be titrated up in weekly increments based on individual efficacy and tolerability:
Week 2: give 0.5 mg orally 3 times daily
Week 3: give 0.75 mg orally 3 times daily
Week 4: give 1 mg orally 3 times daily
After week 4, increase by 1.5 mg/day on a weekly basis up to a dose of 9 mg/day, then increase by 3 mg/day on a weekly basis up to a maximum daily dose of 24 mg
Maximum Dose: 8 mg orally three times a day
Extended-release tablets:
Initial: 2 mg orally once daily for 1 to 2 weeks, followed by increases of 2 mg/day at 1-week or longer intervals, depending on therapeutic response and tolerability
Maximum dose: 24 mg orally once a day
Patients may switch from immediate-release to extended-release: The initial dose of extended-release tablet should most closely match the total daily dose of immediate-release formulation. Following conversion, adjust dose depending on response and tolerability.
Comments:
-If significant interruption in therapy occurs, retitration may be necessary; upon discontinuation, this drug should be gradually tapered over a 7-day period.
-The extended-release tablet is designed to release medication over a 24-hour period, if rapid gastrointestinal transit occurs, and tablet residue is observed in the stool, there is a risk of incomplete release of medication,
Use: For the treatment of Parkinson's disease.

Usual Adult Dose for Restless Legs Syndrome

Immediate-release tablets:
Initial: 0.25 mg orally once a day on Day 1 and Day 2
Dose titration: May titrate as follows based on individual efficacy and tolerability:
Days 3 to 7: give 0.5 mg orally once a day
-Week 2: give 1 mg orally once a day
-Week 3: give 1.5 mg orally once a day
-Week 4: give 2 mg orally once a day
-Week 5: give 2.5 mg orally once a day
-Week 6: give 3 mg orally once a day
-Week 7: give 4 mg orally once a day
Maximum Dose: 4 mg orally once a day
Comments:
-Take 1 to 3 hours before bedtime.
-In clinical trials, this drug was not tapered prior to discontinuation.
Use: For the treatment of moderate to severe Restless Legs Syndrome.

Renal Dose Adjustments

Parkinson's disease:
Moderate renal impairment (CrCl 30 to 50 mL/mi): No dosage adjustment is necessary
Severe renal impairment without regular dialysis: No data available
Restless Leg Syndrome:
Moderate renal impairment (CrCl 30 to 50 mL/min): No dosage adjustment is necessary
Severe renal impairment without regular dialysis: No data available

Liver Dose Adjustments

Dose adjustments may be required; however, no specific guidelines have been suggested. Caution is recommended.

Dose Adjustments

Doses are individually titrated based on efficacy and tolerability.
Parkinson's disease:
-If this drug is administered as adjunct therapy to levodopa, the concurrent dose of levodopa may be decreased gradually as tolerated; the average dose reduction of levodopa was 31% and 34% with immediate-release and extended-release tablets, respectively.
Drug interruption:
-If significant interruption in therapy occurs, this drug may need to be retitrated.
Drug discontinuation:
-Immediate-release tablets: Reduce the frequency of administration from 3 times a day to 2 times a day for 4 days, then once a day for 3 days, prior to discontinuation.
-Extended-release tablets: Gradually discontinue over a 7-day period

Precautions

Safety and efficacy of ropinirole have not been established in patients younger than 18 years.
Safety and efficacy of the extended-release product have not been established in patients with Restless Legs Syndrome (RLS).
Consult WARNINGS section for additional precautions.

Dialysis

Peritoneal dialysis: Data not available
End stage renal disease (ESRD) on hemodialysis:
Parkinson's disease, Immediate-release:
-Initial dose: 0.25 mg orally 3 times a day
-Dose titration should be based on tolerability and need for efficacy
-Maximum dose: 6 mg orally 3 times a day
Parkinson's disease, Extended-release:
-Initial dose: 2 mg orally once a day
-Dose titration should be based on tolerability and need for efficacy
-Maximum dose: 18 mg orally once a day
Restless Leg Syndrome:
-Initial dose: 0.25 mg orally once a day
-Dose titration should be based on tolerability and need for efficacy
-Maximum dose: 3 mg orally once a day
Comments: Supplemental doses after dialysis are not required.

Other Comments

Administration advice:
-May take with or without food
-If a dose is missed, take your next dose as scheduled; do not double your next dose
-Extended-release products should be taken once a day at a similar time each day; they should not be chewed, crushed, or split
-Restless Leg Syndrome: Take once a day 1 to 3 hours before bedtime
General:
-If significant interruption to therapy occurs, this drug should be retitrated.
-Parkinson's Disease: This product should be tapered before discontinuation.
-Restless Legs Syndrome: This drug was not tapered to discontinuation during clinical trials.
Monitoring:
-Cardiovascular: Monitor for signs and symptoms of orthostatic hypotension, particularly during dose escalation; consider blood pressure monitoring at the start of treatment, especially in patients with significant cardiovascular disease.
-Nervous System: Monitor for somnolence and drowsiness
-Dermatologic: Monitor for melanomas; consider periodic skin examinations by dermatologists.
-Psychiatric: Question patients about new or increased gambling urges, sexual urges, uncontrolled spending, binge or compulsive eating, or other urges.
Patient advice:
-This drug frequently causes drowsiness; patients should not drive a car or operate machinery or other potentially dangerous activities until it is determined how this drug affects their mental and/or motor performance.
-Patients should be instructed to report episodes of sudden onset of sleep, new or worsening dyskinesia, new or worsening compulsive behaviors and/or unusual urges.
-Patients should be instructed to report changes in the size, shape, or color of moles on their skin and should have their skin checked on a regular basis for melanomas.
-Patients should be aware that this drug may cause orthostatic blood pressure changes including fainting and dizziness and patients should be advised to avoid standing rapidly after sitting or lying down.
-Patients should speak to their physician or health care provider if they become pregnant, intend to become pregnant, or are breastfeeding.

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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.