Date:November 24, 2020
How to Install macOS Big Sur on Unsupported Mac (Guide)

How to Install macOS Big Sur on Unsupported Mac (Guide)

Apple has recently released the macOS Big Sur for everyone. The latest macOS Big Sur is available for most Apple PCs. But there are some older Macs that don’t support macOS Big Sur. And here we are going to share how to install macOS Big Sur on unsupported Mac.

The latest macOS Big Sur brings a lot of new features. These are the features that users were waiting for a long time including new app icons, redesigned UI. If you have an unsupported Mac but want to try the latest macOS then this guide is for you.

macOS Big Sur is one of the biggest updates in years and obviously better than the last macOS. It brings a new app design, full-height sidebars, refresh dock, control center like iPhone, and more. Safari browser also gets many new features including customization. Like these, there are many other reasons to try the latest macOS Big Sur. And if you are here then you probably know how good the macOS Big Sur is.

How to Install Big Sur on Unsupported Mac

Last week when Apple released the macOS Big Sur, some users reported that they weren’t able to download the latest operating system. But now, according to Apple, you can easily upgrade to the latest macOS Big Sur. And it is the right time for this guide.

How to Install macOS Big Sur on unsupported Mac

MacOS Big Sur Supported Mac

As usual, this update is available for only supported devices. You can find the list of Apple computers that support macOS Big Sur update.

  • iMac 2014 and later
  • iMac Pro 2017 and later (all models)
  • Mac Pro 2013 and later
  • Mac mini 2014 and later
  • MacBook Air 2013 and later
  • MacBook Pro late 2013 and later
  • MacBook 2015 and later

MacOS Big Sur Unsupported Mac

And here’s the list of macOS Big Sur unsupported Mac

  • MacBook Air 2012
  • MacBook Pro 2012 and early 2013
  • Mac mini 2012
  • iMac 2012 and 2013

Apple doesn’t allow users to install macOS Big Sur on unsupported Mac. But there is a method that allows us to install macOS Big Sur on some of the unsupported devices. You can try the method or workaround for mid-2012 and 2013 unsupported Mac. Before you head over to the unofficial method to install macOS Big Sur on an unsupported Mac, make sure to go through the requirements.

Prerequisites

  • Take a full backup of your Mac in iCloud or an external hard disk
  • Download macOS Big Sur PKG Installer from Apple
  • Download macOS Big Sur PKG installer hack from macrumors forum
  • Make sure the Mac has enough power

Steps to Install macOS Big Sur

Once you have all the required files, you can proceed with the installation instruction.

  1. First Unzip the macOS installer hack and copy the hax.dylib and paste it into the home folder.
  2. Open the Assistant.pkg from the installer hack folder and install all the required files. It will install software of size 20.1 MB.
  3. After clicking the Install button, enter the password if it asks and click Install again.
  4. Now you need to boot your Mac into Recovery mode. To boot into Recovery press Command + R keys together during startup until it boots into Recovery.
  5. Then from the Recovery, click on Utilities > Terminal. Type ‘csrutil disable‘ in the Terminal and press enter.How to Install macOS Big Sur on unsupported Mac
  6. Enter the below command and provide the login password when it asks.
    • sudo defaults write /Library/Preferences/com.apple.security.libraryvalidation.plist DisableLibraryValidation -bool true
  7. After that enter another command given below.
    • launchctl setenv DYLD_INSERT_LIBRARIES $PWD/Hax.dylib
  8. Boot your Mac into the system and run the macOS Big Sur installer app that you installed during step 3.
  9. Follow the instructions given in the installer and it will take time depending on your internet speed.
  10. Once it’s done you will see the macOS Big Sur wallpaper on your Mac screen.

And now you can use macOS Big Sur on an unsupported Mac. This is not an official method. So we recommend taking a full backup as we mentioned at the starting of this guide. You can use all the latest features on the older Mac.

So there you have it, the complete guide on how to install macOS Big Sur on Unsupported Mac. For more guides related to Mac stay connected to YTECHB. And in case if you have any queries then let us know in the comment section.

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