To install the latest Mac OS, for example, macOS High Sierra, you can search and download the installer from App Store. To install macOS or OS X from the USB flash drive, check how to clean install Mac OS from USB. Make A Bootable Installer for macOS via DiskMaker X or Install Disk.
Like Windows operating system, Apple used to supply an operating system CD of Mac to its customers. But this was the practice in days of yore. Now Mac users easily. However, if they don’t find it comfortable, they never shy away from downgrading to the previous version.
When it comes to downgrading, you wish you could create a bootable installer for macOS Sierra. Well, it is possible now. You can make a bootable macOS Sierra installer. This bootable installer can be used on multiple Macs in your home or at office.
To create a bootable installer, you need to use Terminal on your Mac; and if you are not good at using Terminal, you can create a bootable disk with the help of. Before moving ahead, you need to prepare yourself with a with at least 8GB space, or an. Moreover, you need to from the Mac App Store. This tutorial is broken down into three main units. First, you need to format your external drive; second, make your external drive into a macOS Sierra boot drive; and third, use macOS Sierra with a bootable drive.
How to Make a Bootable Installer for a macOS Sierra. How to Format External Hard Disk for macOS Sierra Step #1. First of all, Plug in your external drive on your Mac.
Now, click on finder from the dock. Click on Applications located on left hand side. Move down and double click on Utilities. Find Disk Utility and double click on it. Choose your external drive located under External on left side of the window. Click on Erase button located on the top of the window.
Now, just remember the name of your external drive as you will need it while creating bootable drive. If you have more than one external drive having same name, then you will need to rename it. From the format list, you need to choose Mac OS Extended (Journaled) Step #10. Click on Erase button.
Once process gets completed, click on Done. Close Disk Utility window as the external drive is ready now. How to Make External Drive Bootable for macOS Sierra Step #1. Click on Finder from the dock. Click on Application from the left side. Move down and click on Utilities → Terminal Step #4. Recall the name of your formatted external drive when typing the below mentioned text into Terminal.
If it is not named “Untitled,” you need to change the command syntax for the pathname where it says: Volumes/Untitled. The name of the drive is case sensitive and it can’t have any spaces.
Type the below code in terminal and don’t forget to change the name of your external drive instead on Untitled sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install macOS Sierra.app Step #6. From keyboard hit enter key Step #7.
Type your admin account password which you use for log in. Nothing will appear on the terminal screen after you enter password. Once the process get completed you will done on the terminal window. How to Use macOS Sierra with a Bootable Drive Step #1. Turn off your Mac. Connect your external drive to Mac via USB port.
Turn on your Mac and hold Option/alt key till you listen to the sound of startup chime. Choose external drive having macOS Sierra installed from the list of systems to get start up your Mac.
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.Sierra is not advertised on the Mac App Store any longer. It's available but hidden. To find it, check out this video:.Check out our latest video for Mac OS Mojave 10.14 at:.Check out our updated video for Mac OS X High Sierra 10.13 at: This video shows you how to create a bootable USB Flash Drive Mac OS X Installer. You will be able to boot most Macs from it and then install Mac OS X 10.12 Sierra without needing to re-download the installer for each Mac. You can also use it to format the internal drive of a Mac using the built in Disk Utility, this is also covered in the video.
You will need a 8GB or larger USB Flash Drive (aka USB key). Make sure it's empty, because you'll be deleting everything on it during the process of making the installer. You will use a command in the Terminal. Make sure you type it correctly, or you will get an 'unknown command' error. Here is the command for your reference: sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/SierraBootInstall -applicationpath /Applications/Install macOS Sierra.app -nointeraction &&say Done If you have any questions or suggestions for new tutorial videos you would like us to post, please put them in the comments below. If you would like to arrange one-on-one help or remote help, please contact us through our website at.