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@Wowfunhappy
Last active April 23, 2026 13:37
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Download a Mac OS X 10.9 Mavericks installer image Apple

The Mac OS X 10.9 Mavericks download script is now hosted on Mavericks Forever. To download Mavericks, open a Terminal on any Mac and run:

curl mavericksforever.com/get.sh | sh

Or, navigate directly to mavericksforever.com/get.sh to read what the script does.

@CadBear
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CadBear commented Apr 6, 2026

A bit late to the party, I just stumbled upon this thread.
I have a working installer for 10.9.0, and from there you can update to 10.9.5. I used to be a tech and I keep an installer of every MacOS version since 10.6 on a hard drive in case I need to reinstall stuff offline, and also because I don't trust online repositories to be available forever. Looks like I was right about that for Mavericks. I also have working images of 10.9 and 10.11 modified for 32bit to run on the 1st gen Mac Pro.
Happy to share if anybody needs it.

@SumSera
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SumSera commented Apr 20, 2026

Hi @Wowfunhappy,

I've been searching all over for a Mavericks install image of some kind, so luckily I also stumbled upon this thread of yours. I've successfully downloaded and created a bootable USB drive on my Mac mini (M2) using your install script.

I needed it to install on a MacBook Pro (mid 2009 unibody), which was successful without a problem!

Thanx a million for this!

The trick that worked for me was to first set the date back to somewhere in 2009, to circumvent the expired certificate problem (just in case ;-).

Cheers,

John.

@Wowfunhappy
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Wowfunhappy commented Apr 23, 2026

@CadBear Hi! The goal of this project was explicitly to download Mavericks from Apple’s servers! That said, I actually don’t think we have a publicly accessible copy of the original 10.9.0 (as opposed to the updated 10.9.5), if you would be willing to put that up on the Internet Archive and/or Macintosh Garden it would be a great resource to have.

@SumSera You’re welcome! Just so you know, you do not need to change the date, it shouldn’t harm anything but it’s completely unnecessary.

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