Insert the USB drive into your Mac and restart the computer. Immediately hold down the key until the startup manager appears. Select the yellow EFI Boot icon—this is OpenCore loading. Then, from the OpenCore boot picker, select Install macOS . Proceed through the standard macOS installation process. When the installer asks you to select a destination disk, you may need to use Disk Utility (accessible from the Utilities menu) to erase and format your target drive as APFS or Mac OS Extended (Journaled).
Once installed, open your Applications folder and find OpenCore-Patcher . What Can the New OCLP GUI Do?
: This will be erased to create the macOS installer.
No, OpenCore Legacy Patcher is designed specifically for Intel-based Macs. However, recent versions support Universal 2 distribution, dropping the Rosetta requirement on Apple Silicon Macs when using the tool for Intel Mac maintenance. opencore-patcher-gui.app.zip download
The application will securely download the official installer directly from Apple's servers. Step 3: Flash the Installer to Your USB Drive
: Makes your old Mac "identify" as a newer model compatible with the latest macOS. Driver Injection
The tool officially supports macOS Big Sur through Sonoma installations. For macOS Mojave and Catalina, the developers recommend using dosdude1's patchers instead. Insert the USB drive into your Mac and restart the computer
Verify that your Mac’s Model Identifier appears in the official supported models list. If it does but is not being detected correctly, manually select your model from the “Host Model” dropdown within the Settings frame.
: You can find the latest version (currently v2.4.1) on the Official Dortania GitHub Releases .
Certain Broadcom Wi-Fi chipsets may require a second pass of root patching after an initial reboot. Run again, as some patches are applied in stages. If the issue persists, check the OCLP documentation for your specific Mac model, as additional kernel extensions may need to be manually enabled in Settings. Then, from the OpenCore boot picker, select Install macOS
Performance depends heavily on your hardware configuration. Older Macs running a solid-state drive (SSD) and at least 8GB of RAM generally handle modern macOS versions smoothly. Performance on traditional mechanical hard drives (HDDs) may be sluggish.
Among the assets provided, look for the .zip file related to OpenCore-Patcher-GUI.app. Click on it to download.