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@Wowfunhappy
Last active February 17, 2026 17:43
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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.

@Sixxdog-UK
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Hi Jonathan,

Thanks for the feedback , it was just a fun experiment and I learnt a lot from doing it.

Nice to know it’s been tried before and not just me being hopeless. 😆

Just as a side note , did you know that the certificate issues don’t just effect mavericks , if you download an installer from an old version of the AppStore , the InstallESD.dmg still can’t be opened. Not such a problem as we have links to download everything else , just a curious side note.

Thanks again for your brilliant work.

sixx

@klepsd
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klepsd commented Feb 17, 2026

Please update this script. Unfortunately, I tried to restore the Mavericks installer using the restore command script to a specific drive partition. It erased the entire drive, I lost a lot of important files.

@Wowfunhappy
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Wowfunhappy commented Feb 17, 2026

Oh no, I'm so sorry you lost data!

The USB creation script does need to repartition the entire disk in order to ensure a GUID Partition Table. I've updated the warning message to make this more explicit:

WARNING: Everything on the disk containing $target_volname will be erased. Continue? (yes/no)

The entire reason this part of the script exists is because I kept getting emails from people who ran into trouble doing the restore manually via Disk Utility. Most of these users have no idea what a partition is, or that a disk can have more than one. I do still recommend using Disk Utility for more complex disk layouts.

It's really tricky to come up with phrasing that will accurately inform a more technical user without confusing a less-technical one. Even with the current phrasing, I'm worried some people will think that their entire computer will be erased or something.

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