In late 2020, early solutions like barrykn's big-sur-micropatcher emerged. These were primitive USB patchers for installing Big Sur. Soon after, user-friendly interfaces were built on top of these scripts. One notable project was Big Hedge (originally MicropatcherAutomator), co-created by users minh-ton and AsentientHedgehog to provide an easy-to-use UI for automating the patching process. Big Hedge allowed users to create patched ISO/DMG images and even upgrade directly without a USB drive. However, this project, like many early patchers, is no longer maintained.
If your Mac is supported, here is a general guide for installing macOS Big Sur using OpenCore Legacy Patcher. It is highly recommended to follow the official in-depth guide.
So go ahead—download OpenCore Legacy Patcher, grab a USB drive, and give that 2012 MacBook Pro or 2011 iMac the upgrade it deserves. You might be surprised at how much life is left in an “obsolete” machine. Macos Big Sur Patcher
Use Time Machine. If something goes wrong, you’ll want a way back to your stable version of Catalina or Mojave.
At its core, a macOS patcher is a tool that modifies the macOS installer and system files to run on hardware that Apple has blacklisted. The process generally involves two main steps: If your Mac is supported, here is a
By using a patcher, you can:
Patched Sur is no longer actively maintained . Its creator has archived the repository, meaning it does not receive updates for newer macOS versions or security fixes. While it may still work for Big Sur, most advanced users and developers now recommend OpenCore Legacy Patcher instead. At its core
Whether you have an installed
OCLP requires OS X Yosemite (10.10) or later to run. For creating installers of macOS Ventura and newer, OS X El Capitan (10.11) or later is needed.