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Choose Show All Devices from the options. Before this next step, note: if you are running High Sierra or later you will need to click on the View drop down below the close minimise buttons.Launch Disk Utility (press Command + spacebar and start to type Disk Utility).Plug in an external drive with at least 15GB space as thatвЂ™s how much the installer will require.These are the instructions to follow to create your bootable USB вЂ“ note there will be tiny adjustments depending on the installer you require: Note that the createinstallmedia command erases anything on your external disk though, so make sure thereвЂ™s nothing on it that you need. YouвЂ™ll find all theД¬reateinstallmedia commands below, including the

The createinstallmedia command makes it possible to create a bootable copy of an installer on any drive thatвЂ™s connected to your Mac.

Since Mavericks, creating a bootable installation of macOS requires a single command in Terminal.

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Also, the processes have changed slightly since Mavericks so if your looking to create an installation of one of the вЂCatвЂ™ versions of Mac OS X you should Note, the createinstallmedia method described here doesnвЂ™t work under OS X 10.6 Snow Leopard or earlier вЂ“ it requires OS X 10.7 Lion or later. Now you have the installation files, we can move onto the process of making the bootable installer.

#EL CAPITAN MAC OS DOWNLOAD ISO HOW TO#

How to create a bootable installer for macOS A disk image named InstallOS.dmg will download and once it does you need to locate the pkg installer inside the disk image. If it is already open make sure that you close the Mac App Store before clicking on any of these links or they wonвЂ™t work.ДЄpple provides dmg files of these older macOS versions вЂ“ you need to download them in Safari. Luckily it can still be done, and we explain This is because when High Sierra launched Apple stopped making older versions of the OS available to download via the Mac App Store. With macOS Catalina, Mojave or High Sierra installed itвЂ™s a little tricky to get the installation files for older versions of macOS.

#EL CAPITAN MAC OS DOWNLOAD ISO INSTALL#

Just donвЂ™t click on install as you need the installation file for the next stage of this tutorialвЂ¦

Now, if you click on Get, your Mac will offer to download the installers.

Go to the Catalina page, you can click this.

You will also be able to download the installer via Software Update if you havenвЂ™t yet installed it. MacOS Monterey, which became available to install on 25 October 2021, is available to download from the How to download old Mac OS X and macOS versions. Below weвЂ™ll look at how to get Monterey installers as well as how to get older versions of the macOS or even Mac OS X. It goes without saying that you will need an internet connection to download the software and you may need it while installing the version of macOS if it needs to check for firmware or confirm your iCloud credentials.ДЄs we said already, how you get the installation files will depend on the version of macOS you are running currently and the version you want the installer for.

The Mac App Store is probably the easier option, but there can still be difficulties depending on which version of macOS your machine is running, and if you were hoping to grab older installation files that can be tricky вЂ“ we have another article discussing

El capitan mac os download iso