2.1 Clean up your external storage deviceīefore we format the external storage device, you need to ensure that your device is clean and there are no files within it that you need. How to Format your USB stick (or your external hard drive)Īs we need to copy our external storage device, we need to ensure the USB is formatted in a way that the installer will be able to be copied and so every Mac computer to understand it as a bootable device. We can move on to the next steps while the MacOS installer is still downloading to save up some time! 2. Once you pick a method to download the MacOS version, then we are ready to move on to the next step! Don't worry about the download taking too much time to download. Each MacOS version also shows the corresponding size. To list all available version you can download, type the following command:Īs you can see, each version number corresponds to the MacOS version you are looking to download, All you need to do, is to replace the version number from the list with the asterisks and the version will be downloaded. Sudo softwareupdate -fetch-full-installer -full-installer-version 11.6.1 Sudo softwareupdate -fetch-full-installer -full-installer-version **.**.**įor instance, if you are looking to download MacOS Big Sur, you will use the following command: The asterisks will be replaced with the version number you wish to donwload: But what if you would like to download a different MacOS version? Terminal will begin downloading MacOS Monterey.Īs you noticed, the above command will download MacOS Monterey.On terminal, copy and paste this command sudo softwareupdate -fetch-full-installer -full-installer-version 12.0.1.Open Finder and go to Applications > Utilities and launch Terminal.Don't worry! We are going to go through this step by step so you won't get confused! Of course, this method may not work for everyone, as Apple is trying with every way to prevent you from downloading previous MacOS installer with the intention to downgrade to a previous MacOS version. If in any case the above links fail to download the installer you desire, there's another way to download them. 1.2 How to download MacOS installer via Terminal However, we don't want to interact with the installer, so feel free to quit the window. Once the MacOS installer has been downloaded, it will appear in the Applications folder and it will automatically be launched. Mac OS X Mountain Lion 10.8 (download link)Įach link will take you to the App Store and depending on your internet connection will take some time to download.Mac OS X Yosemite 10.10 ( Ddownload link).Mac OS X El Capitan 10.11 ( Download link).MacOS High Sierra 10.13 ( App Store link).1.1 How to download MacOS installer from App Storeīelow, I am listing all the links for each major MacOS version to download. For the purpose of this article, we are going to use MacOS Monterey, as at the time of writing this article, is the latest major MacOS version release by Apple. Initially, we need to download the desired MacOS version which you wish to create the bootable USB installer disk from. Once you have got all the requirements down, we are ready to begin with creating the bootable USB installer disk! 1. How to create a bootable USB MacOS Install Drive? The steps On top of that, in case you ever get lost by following the steps below, I have also created a video showing you the whole process: USB-C Hub 7 ports including 3 USB 17.99$.Here is my best recommendation for an adaptor: Of course, if you decide to buy a USB stick, you will need to buy an adaptor if you Mac only has USB Type-C ports (MacBook). Of course, I am listing some recommended USB sticks which I would buy at this time: Almost every USB stick you can find on the market would be many times more than 16GB of storage. If you are looking to just buy a USB stick, then almost any option would do. Of course, if you don't have a USB stick, nor an external hard drive, then you may take a look at my other detailed article where I cover a detailed guidance on how to buy an external hard drive on budget. A USB adaptor if your Mac has only USB Type-C ports.More than 20GB of free space on your computer.A USB stick with at least 16GB of storage or an external hard drive.What do I need to create a bootable USB MacOS Installer In this article, I will show you how you can easily create a Bootable USB MacOS Installer drive which you can use to install on any Mac computer. Did you buy a new Mac and you are looking to install a different MacOS version to it? Or you are looking to install MacOS Monterey (the latest MacOS at the time of writing this article) to an unsupported MacOS computer?
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