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Did you try updating to macOS High Sierra? If you did, you might have found a small 19mb online installer named “Install macOS High Sierra.app” inside your /Applications folder. Now I hate the online installers, especially when the real files is around 5GB. If you have a slow internet connection, then it can be frustrating. And with this installer, you cannot create an offline bootable USB to install macOS High Sierra to install in other machines quickly. So this post is about “How to Download Full High Sierra Installer to Create Bootable USB?”.
Contents
In the Disk Utility, the options for erase, restore and unmount are all unavailable (see picture 2), I imagine that's because you normally cannot do any of these on the OS X Base System disk. This disk is also locked, so I cannot re-install High Sierra (see picture 3). Well, I've been trying to create a functional bootable installation ISO for High Sierra for like 2 weeks now and I have to say I'm getting sick of doing it over and over again and never getting it to work. Feb 09, 2018 In the Disk Utility, the options for erase, restore and unmount are all unavailable (see picture 2), I imagine that's because you normally cannot do any of these on the OS X Base System disk. This disk is also locked, so I cannot re-install High Sierra (see picture 3). Note: The macOS Sierra Disk Utility and installer appears to be more buggy and much slower than previous versions. The best advice for installing macOS Sierra is to try again and be very patient (if you expect an operation to complete in 5 minutes, then give it at least 50 minutes).
- 2 Clean Install macOS High Sierra using a Bootable USB
How to Download Full High Sierra Installer?
You can quickly get the full 5GB macOS Sierra Installer. Just follow the steps given below. Here we will be using a third party application named High Sierra patcher application.
- First click on this link and download the High Sierra patcher application.
- The above link will give you a file named macOS High Sierra Patcher.dmg.
- Simply open this file and you will see a new window.
- Now again open the icon named macOS High Sierra Patcher inside the window.
- It will again open the macOS High Sierra Patcher. Here just go to Tools->Download macOS High Sierra… as shown in the below image.
Download Full High Sierra Installer
- It will ask you to select a location to save the macOS Sierra Installer. Select the location and it will start downloading. The file size is more than 5GB is it may take a long time depending on your internet speed.
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Clean Install macOS High Sierra using a Bootable USB
Sometimes we need a clean installation of our operating system. But doing it the Apple’s way that is online can frustrate us like hell.
So what you can do is you can download a full installer, and then you can create a bootable USB.
We know how to get a full installer, and now you might be interested in knowing how to create a bootable USB right?
Creating a bootable USB is again very simple, just follow the below steps.
The Extremely Easy Way
We have a simple utility called Install Disk Creator. It is absolutely free and you can quickly create bootable USB by using it.
Installesd.dmg Disk Utility High Sierra Base System Diagram
- Get the Install Disk Creator.
- Once you get the Install Disk Creator, just open it, and you will see the window as shown in the below image. Here you need to select the Installer file that we already downloaded. After choosing the Installer just click on Create Installer and it will do the task for you.
- Make sure you use a USB Drive of size of atleast 12GB.
The Easy Way
- Open terminal (command + space, write terminal and hit enter).
- Now write the following command.
- Don’t forget changing path to installer with your installer path that you downloaded and USB Volume Name with the name of the USB Drive that you are using.
So I hope you got the answer that How to Download Full High Sierra Installer to Create Bootable USB? For any queries and questions just leave your comments. And also SHARE this post if you found it useful. Thank You 🙂
Related
Let macOS manage space between multiple volumes
With Apple File System (APFS), the file system introduced in macOS 10.13, you can easily add and delete volumes on your storage devices. APFS-formatted volumes automatically grow and shrink—you never have to repartition a storage device again.
Keep your external storage devices secure
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When you get a new flash drive or other storage device, format it as APFS and encrypt it with a password to protect its contents.
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Give your disk a checkup
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If you’re having problems with a disk, Disk Utility can check the disk and repair problems it detects.
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To explore the Disk Utility User Guide, click Table of Contents at the top of the page, or enter a word or phrase in the search field.