OpenCore Legacy Patcher

OpenCore Legacy Patcher upgrades old Macs with new macOS versions.

Welcome to the world of OpenCore Legacy Patcher! If you’ve found your way here, chances are you’re interested in breathing new life into an older Mac or exploring the possibilities of macOS on unsupported hardware. Let’s quickly dive into what this is all about.

What is OpenCore Legacy Patcher?

OpenCore Legacy Patcher

OpenCore is a sophisticated boot loader used to inject and patch data in memory, instead of on disk. This enables us to achieve a near-native experience on many unsupported Macs. In simpler terms, think of it as a bridge that allows macOS to run smoothly on machines it wasn’t initially designed for.

Key Features

  • Unveil New Horizons: Enable your unsupported Mac to install and run newer macOS versions.
  • Security First: Gain access to the latest security patches and updates.
  • Smooth Sailing: Experience improved system performance and stability on your upgraded Mac.
  • Harmony in Operation: Use OpenCore to balance and manage native and non-native macOS extensions gracefully.
  • Community Spirit: Benefit from a vibrant, resourceful community of like-minded Mac enthusiasts

Benefits of Using OpenCore Legacy Patcher

  • Fresh Updates: Unlocks the latest macOS versions for your older Mac, keeping it current and zesty!
  • Security Boost: Ensures your vintage Mac isn’t left behind on security updates, adding an extra shield against pesky malware and viruses.
  • Smooth Sailing: New Features: Waves hello to all the nifty features of newer macOS versions, from design tweaks to handy functionalities.
  • Sustainable Tech-Life: Prolongs the life of your trusty Mac, letting you and your computer create more memories together.
  • Community Vibes: Connects you with a warm community of Mac enthusiasts, always ready to lend a helping hand or share a tip.
  • Cost-Efficient Upgrade: Gives your Mac a fresh lease of life without the hefty price tag of purchasing a new device.
  • Tech Adventure: Offers a fun and rewarding project for your weekend – exploring the techy side of your Mac!
  • Resource Accessibility: Enables access to apps and services that might only be available on newer macOS versions, ensuring you’re not missing out on the digital fun.
  • Environmentally Friendly: By extending the life of your Mac, you’re being a pal to the planet, reducing electronic waste.
  • Learning Experience: This provides an opportunity to learn more about your Mac’s operating system and perhaps ignite a spark for more tech exploration!

Asset Information

  • A graphical interface that’s easy to navigate – the go-to choice for users at all levels.
    • Visual GUI-based app
    • Recommended for all users
  • AutoPkg-Assets.pkg: Contains necessary resources for OpenCore-Patcher, which are fetched as required.
    • Additional resources used by OpenCore-Patcher
    • Automatically pulled when needed, don’t download

OpenCore Legacy Patcher Download




585 MB

Official Source

Released On

Nov, 2023

We do not host any file; instead, all links direct to GitHub. For other releases, refer to the GitHub releases page.

Changelog v1.3.0

  • Resolve mismatched CFBundleExecutable and binary name for kexts.
    • Resolves ProperTree binary detection (Thanks @corpnewt).
    • Applicable extensions:
      • corecrypto_T1.kext
      • corecaptureElCap.kext
      • IO80211ElCap.kext
  • Resolve 3802-GPU support for macOS 14.2 Beta 2 and newer.
    • Applicable GPUs:
      • Intel Ivy Bridge and Haswell iGPUs
      • Nvidia Kepler dGPUs
  • Increment Binaries:
    • PatcherSupportPkg 1.4.6 – release

Detailed Update Log

You MUST install this update before upgrading to macOS 14.2 on the following machines:

  • MacBook Air
    • MacBookAir5,x (Mid 2012)
    • MacBookAir6,x (Mid 2013, Early 2014)
  • MacBook Pro
    • MacBookPro9,x (Mid 2012)
    • MacBookPro10,x (Mid 2012, Late 2012, Early 2013)
    • MacBookPro11,x (Late 2013, Mid 2014)
  • Mac mini
    • Macmini6,x (Late 2012)
    • Macmini7,1 (Late 2014)
  • iMac
    • iMac13,x (Late 2012)
    • iMac14,x (Late 2013, Mid 2014)

Affected Graphics families (All 3802-based Metal GPUs):

  • Intel iGPUs
    • Ivy Bridge
    • Haswell
  • Nvidia dGPUs
    • Nvidia Kepler

As to be expected, macOS Sonoma support is still in active development. This is a community-driven project, and as such we ask users to keep expectations in check and use older OSes if you encounter issues that affect you.

Frequently Asked Questions

Is using OpenCore Legacy Patcher safe for my Mac?

While we, and numerous users, have traversed this path with success, it’s pivotal to acknowledge that using the Patcher comes with inherent risks. Always back up, and tread wisely!

Will my Mac run slower with the new macOS?

Quite the contrary! Many users have found their Macs to run splendidly, often with improved performance, after the upgrade. But, experiences may vary depending on your machine’s specifics.

Can I revert back to my old macOS if things don’t pan out?

Yes, you can! Ensure you’ve created a full backup before diving into the patching process, which will be your safety net for reverting to your previous macOS version if needed.

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