And eventually, Apple stops supporting older editions of macOS — and that means no more security patches. But there are some good reasons to do it anyway. Older Macs often run better with earlier versions of macOS, for example. In situations like these, installing an old version of the operating system may be your best choice. In general, if you want to run an older version of macOS, it should work. If your Mac appears in the list of supported models, then you should be able to downgrade macOS that version.
Some of the newer macOS installers are available in the App store. To get versions before these, you need to download them without the App Store. You might, for example, find people selling old installation discs on eBay. Also, be aware that some of these older downloads will come as a. Then run the. This will add the relevant macOS installer to your Applications folder. After downloading the installer for your old version of macOS, you need to get it into a format your Mac can boot from.
The best and easiest option is to create a bootable USB drive. The email edition comes with a special download code you can use for the Mac App Store. So, here are main steps you should take:. Update to Download El Capitan here. If you have a newer Mac, there is no physical option to install Mac OS versions older than your current Mac model.
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. Below is the detailed instruction how to do it. 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.
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:. It deletes system junk, old broken apps, and the rest of hidden junk on your drive. Normally, it is assumed that updating OS is a one-way road. The main challenge is to download the OS installation file itself, because your Mac may already be running a newer version.
The purchased section lists only those operating systems that you had downloaded in the past. But here is the path to check it:. 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.
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.
Nevertheless, keep in mind that if you visit developer. Buy a boxed edition of Snow Leopard The email edition comes with a special download code you can use for the Mac App Store.
So, here are main steps you should take:. Update to It installs an app named Install [ Version Name ]. Open that app from your Applications folder to begin installing the operating system. Check compatibility The version of macOS that came with your Mac is the earliest version it can use. To confirm compatibility before downloading, check the minimum hardware requirements: macOS Big Sur 11 hardware requirements macOS Catalina Published Date: October 25,
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