Now we'll be formatting the USB to prep for both the macOS installer and OpenCore.
![create usb installer for mac app create usb installer for mac app](https://i0.wp.com/www.appletips.nl/wp-content/uploads/2018/09/Install-Disk-Creator-14.jpg)
#CREATE USB INSTALLER FOR MAC APP DOWNLOAD#
This method allows you to download much older versions of OS X, currently supporting all Intel versions of OS X(10.4 to current) If you want to check the integrity of your download, you can check this repository of checksums (opens new window), although do note that these are crowdsourced checksums and may not be a reliable way to check for authenticity. Note 2: Running Cmd+Shift+G in Finder will allow you to easily jump to ~/macOS-installerįrom here, jump to Setting up the installer to finish your work.
#CREATE USB INSTALLER FOR MAC APP INSTALL#
![create usb installer for mac app create usb installer for mac app](https://cdn.osxdaily.com/wp-content/uploads/2018/06/make-macos-mojave-beta-bootable-install-drive.jpg)
We advise users either install an older OS(ie.
![create usb installer for mac app create usb installer for mac app](https://www.maketecheasier.com/assets/uploads/2021/08/mac-usb-ccc.png)
![create usb installer for mac app create usb installer for mac app](https://img.gadgethacks.com/img/83/75/63518224952264/0/create-bootable-install-usb-drive-mac-os-x-10-9-mavericks.w1456.jpg)
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.