- #Download mac os high sierra usb installer install#
- #Download mac os high sierra usb installer code#
- #Download mac os high sierra usb installer download#
- #Download mac os high sierra usb installer free#
For this reason, you need an external HD that is at least the same size as your Mac’s internal memory
External hard drive (optional): You need to back up your data to save your important files before installing the new macOS. Make sure the installer is fully downloaded (about 5 GB) #Download mac os high sierra usb installer download#
Good internet connection: You need to download the macOS High Sierra installer from the App Store. Blank USB drive: You need a flash drive that has at least 16 GB of available storage space to create a bootable macOS High Sierra installer. Requirements to create a macOS High Sierra bootable USB driveĬreating a bootable drive with a High Sierra installer is quite simple. Installing macOS the clean way (using a non-startup drive). Creating a bootable USB using the Terminal. Requirements to create macOS High Sierra bootable USB drive. It’s not hard at all, and in this article, we will guide you through: #Download mac os high sierra usb installer install#
It makes sense to create a bootable USB flash drive to install the High Sierra operating system if you want to quickly install it on several Macs without having to download the installer each time. The app will help you delete junk, duplicates, and unnecessary apps in a couple of clicks.
#Download mac os high sierra usb installer free#
MacKeeper allows you to free up necessary gigabytes easily. If you want to start over and wipe out the data, you need to go into Disk Utility to reformat the internal drive first, and then install macOS Sierra.Please note that before installing any system, you need to ensure there is sufficient space on your Mac. If you want to install Sierra and leave the data intact, select Install OS X. Your Mac will display an OS X Utilites window.(You don’t need to select a network to proceed.) Click on the external drive and hit Return. After a few moments, your Mac should display the Startup Manager, which will show you the available boot drives.Press down on the Option key while the Mac boots. Plug your external drive into your Mac.You can quit Terminal and your drive is ready for use. You should see Terminal display a “Copy complete” and Done notice. Terminal will copy the installer file to your drive.When that part is done, your Mac may ask you if you want to use the drive for Time Machine. You’ll see that Terminal erases your drive.To confirm that you want to continue, type Y and hit Return. Terminal will tell you that it will erase your drive.Terminal doesn’t display characters when you type it in.
#Download mac os high sierra usb installer code#
Go back to Terminal and paste the copied code at the prompt. Sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install macOS Sierra.app Launch Terminal (/Applications/Utilities/Terminal.app). If your drive is named something else, you need to change Untitled to the name of your drive.) (In the Terminal command you will use, I use Untitled to represent your external drive. Connect the external drive to your Mac. If your really don’t want to use Terminal, there are a couple of free apps you can use. The process detailed below involves the Terminal. Change the name of your drive to Untitled you need to do this for the steps below. The drive will be reformatted automatically as part of the process. I’ve used different drives with success, including a VisionTek 120GB USB 3.0 Pocket Solid State Drive ($83 on Amazon) and an old 8GB Iomega Micro Mini Hard Drive.ĭon’t worry if the drive isn’t formatted for the Mac. You can use a USB flash drive or a hard drive with room for the installer software. If it automatically launches after download, quit the installer. Look for macOS Sierra in the list of apps that you’ve bought, and click on the Download button. You can download it again if you go to Purchased in the App Store. If you’ve already upgraded your Mac to Sierra, the installer is removed from the Applications folder. Keep the installer in the Applications folder.
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