

We'll want to use macOS Extended (HFS+) with a GUID partition map. Now we'll be formatting the USB to prep for both the macOS installer and OpenCore. Legacy macOS: Online method(10.7-10.15 Supported).
Make a mac os x yosemite usb installer 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.
Make a mac os x yosemite usb installer install#

We advise users either install an older OS(ie. CAUTION: With macOS 11.3 and newer, XhciPortLimit is broken resulting in boot loops (opens new window).For first time users, we recommend macOS Catalina (10.15) or Big Sur (11).For more information, see here: macOS 12: Monterey macOS 12, Monterey Note: As this OS is quite new, there's still some issues with certain systems to resolve.If you need a particular versions of macOS, you can select it by typing the number next to it. Mkdir -p ~/macOS-installer & cd ~/macOS-installer & curl > installinstallmacos.py & sudo python installinstallmacos.pyĪs you can see, we get a nice list of macOS installers. Getting started with ACPI (opens new window).Now with all of this done, head to Setting up the EFI to finish up your work.
