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About This File

Patched OSInstall.mpkg and OSInstall framework to allow installation on MBR partition.


To use these patched files you must create an installer using this method (Pandora's Box should also work). You can't just run the app downloaded from Mac App Store.


After creating the installer, run this command in terminal replacing "installer volume name" by the name of your installer drive. If it contains spaces, surround the name by " or precede each space with \ (you can just drag and drop the drive to terminal when typing the command)

sudo tar zxvf ~/Downloads/Mavericks_10.9.5_MBR_Patch.tar.gz -C /Volumes/"installer volume name"

If you download with Safari, it will automatically expand the gz, so the command should be

sudo tar xvf ~/Downloads/Mavericks_10.9.5_MBR_Patch.tar -C /Volumes/"installer volume name"

What's New in Version 10.9.5   See changelog


  • Updated to 10.9.5

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Mac Os X Mavericks 10.9.3 13D65


On the first screen of the installation; language option when the system shuts itself down. Please update MBR Patch for 13D65.


Kind regards :-)

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i am dumb, but please someone tell me where to get "installer volume name" :(

I know this is old, but...

Answer: Open a terminal, and type the following:

ls -l /Volumes/

The output will show all mounted drives / images. Simply choose from the one you want. :-)

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