: For environments where GitHub is slow or restricted, the team maintains an exact mirror on the OpenCore Legacy Patcher SourceForge Project Page . How OpenCore Legacy Patcher Works
Turn the Mac back on while holding down the key. Release the key when you see the boot picker menu.
The file named opencore-patcher-gui.app.zip is the official zipped package containing the Graphical User Interface (GUI) version of OpenCore Legacy Patcher. opencore-patcher-gui.app.zip download
Once you have downloaded and unzipped the app, follow these high-level steps:
Before starting, ensure you have a . Back up all important files on your Mac using Time Machine or an external drive. Modifying the operating system always carries a minor risk of data loss. : For environments where GitHub is slow or
If you're having trouble, check the for your specific Mac model. Releases · dortania/OpenCore-Legacy-Patcher - GitHub
Yes, OpenCore Legacy Patcher includes an uninstaller package ( OpenCore-Patcher-Uninstaller.pkg ) that removes the OpenCore-Patcher application and additional utilities, though it does not revert patches already installed. For a complete reversion, you would need to restore from your Time Machine backup or perform a clean macOS installation. The file named opencore-patcher-gui
Because OpenCore Legacy Patcher operates at a deep system level, downloading it from untrusted sources introduces severe security risks, including malware and system instability. Follow these steps to secure the genuine file:
: The script installs cleanly into your native /Applications folder.
The tool will automatically detect your hardware and recommend the most suitable macOS version for your Mac model.
is the standard graphical installer for these tools, providing a user-friendly way to configure and install the OpenCore bootloader. Where to Download