Download OpenCore Legacy Patcher
Get the latest stable release or explore development builds. Always free and open-source.
Get the latest stable release or explore development builds. Always free and open-source.
Full-featured graphical application with an easy-to-use interface. Perfect for most users who prefer a visual experience.
File: OpenCore-Patcher.app.zip
Size: ~45 MB
Requires: macOS 10.10+
Architecture: Universal (Intel/Apple Silicon)
Standard macOS installer package. Installs the application system-wide with automatic updates support.
File: OpenCore-Patcher.pkg
Size: ~50 MB
Requires: macOS 10.10+
Features: Auto-update, System integration
Automated package installation assets for advanced users and scripting purposes.
File: AutoPkg-Assets.pkg
Size: ~8 MB
Use Case: Automation, CI/CD
Target: Advanced users
For developers and advanced users who want to run the patcher from Python source
Clone the repository and run directly from Python source code. Requires Python 3.6+ installed.
Requirements: Python 3.6+, pip3
Best for: Development, Testing
Latest development builds from the main branch. Contains newest features but may be unstable.
Warning: Untested, use at own risk
Best for: Testing, Bug reporting
Follow these steps to run OpenCore Legacy Patcher from Python source:
# Clone the repository
git clone https://github.com/dortania/OpenCore-Legacy-Patcher
# Navigate to directory
cd OpenCore-Legacy-Patcher
# Install dependencies
pip3 install -r requirements.txt
# Run the GUI
python3 OpenCore-Patcher-GUI.command
Quick start guide for first-time users
Download the GUI application, extract the ZIP file, and launch OpenCore-Patcher.app. You may need to right-click and select "Open" for the first launch due to macOS security settings.
Click "Build and Install OpenCore" in the main menu. The patcher will automatically detect your Mac model and configure OpenCore with appropriate settings and patches.
Choose your installation disk and install OpenCore to the EFI partition. You can install to internal drives or external USB drives for testing.
Reboot your Mac and install or upgrade to your desired macOS version. The OpenCore boot picker will appear, allowing you to select your installation media or startup disk.
After macOS installation, launch OpenCore Legacy Patcher again and select "Post-Install Root Patch" to restore full hardware acceleration and functionality.
What you need to run OpenCore Legacy Patcher
Intel Mac with Penryn CPU or newer (2007+). Includes iMac, MacBook, MacBook Pro, MacBook Air, Mac mini, Mac Pro, and Xserve models.
macOS 10.10 Yosemite or newer required to run the patcher. You can then install Big Sur (11) through Sequoia (15) on your Mac.
Minimum 20GB free space for macOS installation. 35GB+ recommended for optimal performance and future updates.
Stable power connection (AC adapter for laptops) and internet connection for downloading macOS installers and updates.
What's new in the latest release
Ensure your download is authentic and secure
For advanced users, verify file integrity using SHA-256 checksums available on our GitHub releases page. This ensures your download hasn't been tampered with.
Join our active community for installation help, troubleshooting, and tips from experienced users.