![]() CAUTION: With macOS 11.3 and newer, XhciPortLimit is broken resulting in boot loops (opens new window).macOS 12 and above note: As recent macOS versions introduce changes to the USB stack, it is highly advisable that you map your USB ports (with USBToolBox) before installing macOS.This method allows you to download macOS 10.13 and newer, for 10.12 and older see Downloading macOS: Legacy OS. 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.What’s your reason for resorting to this method? Do share your valuable thoughts and experience in the comments section down below. We hope you were able to download macOS Catalina on to your computer without having to rely on the Mac App Store. If you want more options and you’re actively running Catalina or later (including Big Sur), you can use the command line to download full MacOS Installer applications with this handy approach. Obviously we’re focusing on macOS Catalina here, which is still quite popular despite being an older OS release, and this is just one method to download the full installer without using the App Store. Or, you can just choose the “Create a Bootable Installer” in the macOS Catalina patcher tool. ![]() You can follow these instructions to create a bootable Catalina media with Terminal. Not sure how to create a bootable USB drive for installing macOS Catalina? We got you covered. Also, if you have multiple Macs but limited internet data, you can download the full installer as a one-time step, transfer it to a USB flash drive and use it as bootable media for installation on other Macs. Thanks to this patcher tool, you will still be able to install macOS Catalina on an unsupported Mac, as long as you meet the hardware requirements for the update. DosDude1 also offers a similar utility for High Sierra and Sierra. You’ve successfully download macOS Catalina without having to use the App Store.Īlthough we were primarily focusing on macOS Catalina in this article, you can follow the same procedure to download macOS Mojave via the Dosdude tool and older versions on to your computer.
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