How to install new mac os on old mac how to#
How to install new mac os on old mac mac os#
How to install new mac os on old mac install#
How to install new mac os on old mac update#
How to install new mac os on old mac software#

YouвЂ™ll need an external drive with enough space to hold your desired OS X on it and a basic familiarity with Terminal, AppleвЂ™s command line interface. Get a bootable drive with OS XД¬reating a bootable USB or a bootable drive is not complicated. If your installer does not launch, or you get an error message that reads: вЂњThis copy of the вЂInstall OS XвЂ™ application is too old to be opened on this version of OS X,вЂќ youвЂ™ll need to use a bootable USB or external drive to work around this problem. When you try to downgrade macOS, the installer may not launch right away depending on which versions of macOS you are moving between.

How to install new mac os on old mac mac os#

I canвЂ™t download an old version of Mac OS XДЄ downgrade is different than an upgrade.

How to install new mac os on old mac install#

If you acquire the installer from another source, just downloading the file will not install the OS X right away on your Mac, youвЂ™ll need to find the file in your Downloads or Applications folder, then open and run the installer from the downloaded file.

Follow the prompts and be prepared to restart your computer. If you download the file from the App Store, the installer will start immediately.

How to install new mac os on old mac software#

They will likely have image files of all the different versions of the software and help you install it right there as well. Alternatively, you could hit up your nearest Apple Store. dmg file from a torrent site may seem a quick solution, but it means risking your security. If you canвЂ™t find the version you want from Apple, ask a friend who is running the macOS youвЂ™re looking for to make a copy of the installer file for you. Downloads for previous versions of OS X are linked below and include:ДЄlternative sources for downloading macOS Visiting the Apple SupportвЂ™s Downloads page makes it easy to search for any version of macOS you might need, and most are available for free. Below is a chronological list of all the updates beginning with the most recent update, High Sierra, released in 2017: It could be helpful to know where you sit on the timeline of macOS X updates. OS X Snow Leopard ships as a boxed version and requires a disk drive to install. The earliest versions, OS X Lion and OS X Mountain Lion are available on the Apple StoreвЂ™s website and arrive to you via email for download.

How to install new mac os on old mac update#

If your goal is to download a version of macOS that you have not already used, or, that was not available as an update from the App Store after you bought your Mac, you may need to purchase it. What if I canвЂ™t find the version I want in the app store? Clicking the install button of the macOS you want will begin downloading the file. Tab to the Purchase page of the menu and scroll down to find the line for previous operating systems.

You can see all previous versions of OS X your Mac has installed by opening up the App Store and clicking the icon in Applications. Once you have space on your computer, figure out what version of OS X you would like to install. To uninstall certain apps, find the Uninstaller tab and select the apps you havenвЂ™t been using for a while.

Review Details to see the list of suggested optimizations.

Select the Smart Scan tab and click Scan.

Optimizing your Mac with CleanMyMac is effortless:

To make things easy, use a specialized app like CleanMyMac, which will quickly free up space by detecting unused apps and large files, and offering to completely delete them, with all their hidden corresponding files, in one quick click. Depending on how tidy you are, this might take quite a bit of time. You can, of course, do so manually by deleting unused files and uninstalling old software to free up disk space. YouвЂ™ll need around around eight gigabytes free depending on which macOS you downgrade to.Д®ven if you do have enough space, itвЂ™s a good idea to clean your computer before installing the desired operating system. Tabbing over to Storage will let you know how much disk space you have available. Clicking the apple in the top left corner of your desktop and selecting About This Mac will allow you to see what OS X version you are currently running.

Make sure you are ready to downgrade your operating system by checking in with what version of OS X you already have and ensuring you have enough hard drive room to download the older version. In this article, weвЂ™ll take you through everything you need to download and install an old OS X on your Mac.

How to install new mac os on old mac how to#

Try free вњ• How to Install Old OS X on Your MacДЄlthough you might think that going back to the old macOS is not possible by looking at the App Store Updates tab, itвЂ™s actually quite easy to do.