For everyone else, you can either download macOS from the App Store or with Munki's script. You can skip this and head to formatting the USB if you're just making a bootable OpenCore stick and not an installer. To start we'll want to grab ourselves a copy of macOS. While you don't need a fresh install of macOS to use OpenCore, some users prefer having a fresh slate with their boot manager upgrades.

Getting started with ACPI (opens new window).

Now with all of this done, head to Setting up the EFI to finish up your work.

Couch Potato, Sick Beard, SABnzbd tips & tricks.

iTools - Copy video to iOS device without iTunes.

Raspberry PI Operating System on SD-Card.

HighSpeed file sharing between two Macs.

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Your Mac will ask for your password and after that it will write the image to your USB drive. Make sure “ Erase destination” is checked and click the “ Restore” button. You’ll also notice that the “ Restore” button in the lower right corner now becomes active (clickable).

The name of the partition (see “ 2” below) should appear. Now drag the partition of the flash drive onto the input field of the “ Destination” until a green “ +” appears. You’ll see something similar to the image below just under point “ 1“. Next select the “ Restore” section and click the “ Image…” button next to the “ Source” input field.Ī window will open in which you have to select the previously copied or moved “ InstallESD.dmg“, and then click “ Open“. Open Disk Utility (you can find in the “ Utilities” folder of your “ Applications” folder, or you can use Spotlight to find it).įirst we must find our USB drive on the left side of the Disk Utility window – make very sure that you’re picking the right device, since the drive will be completely erased! In my example I’m using a 64Gb Kanguru eFlash (very fast USB pen drives and great customer service!).įirst select the correct drive and partition. As you can see in the image below I selected a partition of the 64.39 Gb drive.

CAUTIONThe drive will be completely wiped in this process!

Install macos from usb