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Download and build macOS Installers
This document is centered around downloading and writing the macOS installer to a USB drive. If you're already familiar with how to do this, you can skip this section.
- Note: A 32GB drive is recommended, later versions of Sonoma and Sequoia cannot fit installer and patches to a 16GB disk. 16GB drive may work for older versions.
Creating the installer
With OpenCore Legacy Patcher, our new GUI includes a download menu for macOS installers. So to start off, you'll want to grab our app:
Once downloaded, open the app and you should be greeted by the main menu.
First, we'll want to select the "Create macOS Installer" button. This will present you with 2 options.
For this example, we'll assume you'll need an installer. Select the "Download macOS installer" to get you a list of installers
| Main menu | Installer creation menu |
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Available installers will be listed as follows, click to download the version you want.
Once the download is finished, you can proceed to write the installer onto a USB drive.
- Note: The entire USB drive will be formatted
| Select Downloaded Installer | Select disk to format |
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Now the patcher will start the installer flashing!
| Flashing | Success Prompt | Finished Flashing |
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