Mac OS operating systems need a large amount of RAM to work, You should provide it with about 4GB RAM. Enter a name for the virtual machine and select a Mac OS version suitable for the Mac OS version that you have downloaded. On the VirtualBox, create a new virtual machine. Now, check out our more solutions below.2- Create Mac OS Virtual Machine. It removes only safe-to-delete files and is notarized by Apple.Further down we’ll explain where to get one and what problems you may face down the road.We’ll be repeatedly referring to these Apple OS versions below, so it’s good to know the basic macOS timeline.STEP 1. 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. Also, you may have noticed your Mac’s performance went down right after the last update. To begin with, some of your apps may not be working properly (or simply crash) on newer operating systems. There are many reasons that could point you to this radical decision. Input macOS high sierra or macOS Mojave in the Name field, select Mac OS X in the Type.So, you’ve decided to download an older version of Mac OS X.
![]() For Vm Download CleanMyMac ForIf 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. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version. That’s why going back to a past Apple OS version is problematic. 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)Normally, it is assumed that updating OS is a one-way road.But here is the path to check it: The purchased section lists only those operating systems that you had downloaded in the past. However, it doesn’t always work that way. There you’ll find all the installers you can download.![]() Both will cost you around $20. Purchase an older version of Mac operating systemYou can purchase a boxed or email version of past Mac OS X directly from Apple. 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. 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. If you desperately need a lower OS X version build, consider creating a new Developer account among other options. Mouse for cad macUpdate to 10.6.8 using Software Update.“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. Install Snow Leopard from install DVD.2. So, here are main steps you should take:1. But before your Mac can run El Capitan it has to be updated to OS X 10.6.8. How to get macOS El Capitan downloadIf you are wondering if you can run El Capitan on an older Mac, rejoice as it’s possible too. 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. Install older OS X onto an external driveThe following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Below is the detailed instruction how to do it.STEP 3. 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. 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. 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. ![]() Visit your local Apple Store to download older OS X versionIf none of the options to get older OS X worked, pay a visit to nearest local Apple Store. The easiest way to do it is to run CleanMyMac X on your machine ( download it for free here). In addition to that, it makes sense to clean up your Mac from old system junk files and application leftovers. You can do it either with Time Machine or by creating a bootable USB or external drive.Instruction to downgrade from macOS SierraInstruction to downgrade from macOS High SierraInstruction to downgrade from macOS MojaveInstruction to downgrade from macOS CatalinaBefore you do it, the best advice is to back your Mac up so your most important files stay intact. The same steps are valid for Mountain Lion and Mavericks.How to downgrade a Mac running later macOS versionsIf 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. 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. Below are a few more links you may find interesting. We hope this article has helped you to download an old version of Mac OS X. You can also ask their assistance to create a bootable USB drive with the installation file.
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