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How-to Install macOS Sierra on unsupported Macs

Discussion in 'Mac & OS X' started by Alex Dmitri, Feb 27, 2017.

  1. Alex Dmitri

    Staff Member Super Admin Contributor

    Feb 6, 2017
    Likes Received:
    Apple has announced a limited compatibility for MacOS Sierra on its old devices, but good news for you, it is possible through a hack to extend this compatibility to your machine!


    What are the unsupported Macs for Sierra MacOS?

    According to Apple and announced at the last Keynote, the different computers that will not be able to install the latest operating system MacOs Sierra are:

    • MacBook 2008, and early / mid-2009
    • MacBook Pro 2007, 2008 and 2009
    • MacBook Air 2008 and 2009
    • Mac mini 2009
    • IMac 2007, 2008 and early / mid-2009
    • Mac Pro 2008 and 2009
    • Xserve

    Mac (in) compatible for MacOS Sierra

    According to the research of certain Internet users determined to make this update, the OS would work perfectly on:

    • MacBook at the end of 2008 and early / mid-2009
    • MacBook Pro at the end of 2008 and early / mid-2009
    • IMac early 2009
    • Mac Pro early 2009
    • Xserve 2009.
    On the other models below, the update would work although those highlighted in yellow have problems with Wi-Fi .


    Install macOS Sierra on your unsupported Mac

    ***Before you do anything, make sure to backup your entire Mac or you will lose everything.

    To install the MacOS Sierra on your Mac, you will first need:

    Once you have them, it will be enough to follow these few steps:

    • Insert your USB stick
    • Open Disk Utility
    • Format your USB drive with the Mac OS Extended format
    • Once done, open the " MacOS Sierra Patcher" application and select the installer of the downloaded system.


    • Then follow the instructions and select your USB key
    • All you have to do is click on "Start Operation"
    Once the operation is complete, your USB flash drive is now a boot disk for your Mac, so you will need to install MacOS Sierra:

    • Restart your Mac by holding the "alt" key
    • Then select the boot volume on your USB flash drive
    • Open Disk Utility and select the disk on which you want to install your new OS
    • Click "Delete" by choosing the "Extended OS X" format first
    All you have to do is install the OS on your disk, once installed, restart your Mac always by holding the "alt" key .

    • It will this time select "Utilities" section "macOS Post Install ..."
    • Select the application in your model of Mac , the application should detect your configuration automatically (You can still select other patches if necessary)
    • Then select your USB stick and click on "Patch"
    • Once the patch has been applied, you will only have to click on "Reboot" and wait a little longer