This is because when High Sierra launched Apple stopped making older versions of the OS available to download via the Mac App Store. Luckily it can still be done, and we explain how to get old. Step 1: To begin, download macOS High Sierra 10.13 installer app from the Mac App Store. The app will be titled, “Install macOS High Sierra”. Step 2: Connect the aforementioned USB flash drive to your Mac, and then launch the Disk Utility app to format the connected flash drive. Download the latest version of macOS High Sierra operating system from App store. In essence, High Sierra took what was good with Sierra and developed it into a more comprehensive software. High Sierra emphasizes the already-existing benefits of MacOS previous system, Sierra. There are few bells and whistles, but the changes are noticeable and positive. The Apple file system is the most significant feature it brought.
Apple has released macOS Sierra to Mac computers world wide this 20th September. If you haven’t upgraded your Macbook, Macbook Pro, iMac or Mac mini to macOS Sierra, then its time to upgrade. Before that, you should read this article for properly Creating macOS Sierra Bootable USB Installer once you downloaded the operating system via Mac App Store. We also have a video tutorial ready to help you with the step by step macOS Sierra Bootable USB Creation process.
Just like last years Mac OS X El Capitan Bootable USB Installer process, you have to make sure that the backup of macOS Sierra is taken once download completed at Mac App Store. It is a very important step which you should remember before proceeding with the macOS Sierra Installation or Upgrade.
Also, if you have multiple mac computers or want to share the copy of this file with your friends then taking backup will be very useful.
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Create macOS Sierra Bootable USB Installer
Once you downloaded macOS Sierra from Mac App Store, the Installation Wizard automatically launched and asks you permission to start the Installation process. Before going forward, you have to go to “/Applications/” Folder and locate the file named “Install macOS Sierra”. Copy and Save it to different directory or to a Secondary Hard Disk Drive, if you plan to do a clean installation. Remember, you have to copy and not move the file as we need “Install macOS Sierra” file to be at Applications folder for Creating Bootable USB Installer.
You can watch the following video about How to Create macOS Sierra Bootable USB Installer available at our Youtube Channel.
Step 1: Insert a Black pen drive and launch “Disk Utility” for formatting it with OS X Journaled file system type. As you can see in the above video tutorial, i have named the pen drive as “Untitled”.
Step 2: Now Launch “Terminal” and copy, paste the following code. It will prompt you for Root Password, which is your current mac account password. Enter the password and press enter to start the Formatting process once again.
sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/UNTITLED –applicationpath /Applications/Install macOS Sierra.app –nointeraction
Step 3: Your macOS Sierra Bootable USB Installer is getting ready and it takes normally 10 to 15 minutes, depending on your Mac computers specification.
That is all. macOS Sierra Bootable Pen Drive will be ready in few minutes and you can use that for Clean Installation or Upgrade from OS X El Capitan to macOS Sierra.
Congratulations! You have successfully created macOS Sierra Bootable USB Installer Disk. Thanks for reading and feel free to share this tutorial with your friends and followers at Twitter, Facebook and Google+. Have a wonderful day.
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Macbooks or iMacs hardly require reinstallation of their Mac OS, but when they do then it’s a fairly difficult process especially if your secondary computer is Windows. Reinstalling Mac OS is a time-consuming process and requires a lot of patience that’s why recommend doing this process in your free time or weekends.
To get started with you require a USB drive with at least 8GB storage (16GB recommended). Then you need a working Mac OS ISO or DMG Installation Image. You can download it from the Apps Store or you can find Mac OS Image at ISORIVER.
There are 2 Methods to Create a Bootable USB drive of Mac OS on your Windows PC.
Method 1: Using TransMac
- Download TransMac’s latest version for Windows from this link.
- Connect your USB drive
- Right Click on your USB drive option in TransMac and select Format Disk for Mac
- After that, right-click the USB Drive and select Restore with Disk Image
- Point to your Mac OS .dmg or .iso file by clicking the add button.
- After that TransMac will create bootable Mac OS USB within few minutes.
- Then you can insert it into your Mac, hold down the option key while turn on and boot your system with this USB.
Method 2: Using PowerISO
Another disk image utility that you can use is PowerISO. It can be used for burning both ISO files and DMG files to USB to create a bootable drive. Follow the steps below to Create a Bootable Mac OS USB on Windows PC.
Step 1: Firstly Download PowerISO and install it in your Windows PC. Launch the app and insert a USB drive into your computer.
Step 2: Import the DMG / ISO file directly by clicking on ‘Burn’ in the toolbar.
Step 3: In the Burn window, select the DMG / ISO file from the Source File section.
Step 4: You can modify the settings to adjust burn speed. The default will be set to the maximum, so you can reduce that.
Download Mac Os Sierra To Usb
Step 5: You can choose to finalize the disk and verify it. Any errors in the bootable USB will show up at that point.
Step 6: Now click on “Burn” and wait for the progress bar to reach 100%.
How To Create Mac Os Bootable Usb
After the successful creation of Bootable Mac OS USB, boot your Macbook from this USB drive by clicking the option button during bootup and select this USB drive.
Watch this Video Tutorial
Mac Os High Sierra Download To Usb
That’s it for the tutorial If you face any issues or had any query then please let us know in the comment section below. You can also send us an email via the contact us page for personalized support.