Open Core Legacy Patcher 2021 Download Page

Ensure your Mac's internal drive has at least 30GB to 40GB of free space to accommodate the new OS and temporary installation files. Step-by-Step Installation Guide

Your Mac will immediately reboot back into a similar selection screen. This time, select (the standard Apple installer icon).

Ensure you update the OpenCore Legacy Patcher app to the latest version before clicking "Update Now" in the system settings panel. If stuck, boot from your original OCLP USB installer to re-patch the internal disk. open core legacy patcher download

Select , choose your internal hard drive, and click continue.

Select your (not your internal hard drive yet). Select the EFI partition to write the bootloader files. Step 5: Boot the Installer Shut down your Mac completely. Turn on the Mac while holding down the Option (Alt) key. Choose the yellow storage icon labeled EFI Boot . Ensure your Mac's internal drive has at least

: Beginners working with older macOS versions (Mojave and earlier).

While OCLP is excellent, some advanced features like Apple Intelligence or Sidecar might not work on very old hardware. Ensure you update the OpenCore Legacy Patcher app

Grants access to modern browsers and critical security patches that protect your data.

Wait for the download to finish. OCLP will automatically extract the installer into your Mac’s local /Applications directory. Step 3: Flash the macOS Installer to USB Insert your 16GB+ USB flash drive into your Mac.

is a sophisticated, open-source utility designed to breathe new life into "obsolete" Apple hardware. It enables Intel-based Macs that are no longer officially supported by Apple—some dating as far back as 2007—to run modern versions of macOS, including Big Sur, Monterey, Ventura, Sonoma, and Sequoia . 📥 Download Information