Getting a copy of OS X Mavericks (10.9.x) today is trickier than newer versions because Apple no longer offers it as a standard download through the Mac App Store. Apple Support Community If you're looking for a
file for an installation or a virtual machine, here are the most reliable ways to find it: 1. Official "Combo" Updates (If Already on 10.9)
If you already have Mavericks installed and just need to patch it to the final version, Apple still hosts the Combo Updates . These are
files that can bring any version of 10.9 up to the final 10.9.5 release. OS X Mavericks 10.9.5 Combo Update 2. The Internet Archive (Full Installer)
Since Apple has removed the full installer, many users rely on the Internet Archive
for legacy OS versions. Look for the "Install OS X Mavericks.app" or a pre-made Mac OS X 10.9 Mavericks Installer: Available as a disk image from the Internet Archive mavericks os x 10.9.x dmg
If you get a "damaged" error during installation, it's often due to an expired security certificate. A common fix is to set your system date
to a time closer to 2013 (e.g., November 1, 2013) using Terminal before starting the install. 3. Check Your App Store Purchases
If you "purchased" (downloaded) Mavericks when it was originally released in 2013, it may still appear in your tab in the Mac App Store. Spiceworks Community
You must be signed in with the same Apple ID used back then.
This only works on older Macs that are compatible with Mavericks and running a compatible OS (like Mountain Lion 10.8). Spiceworks Community Quick Specs & Compatibility Getting a copy of OS X Mavericks (10
OS X Mavericks (10.9.x) was a landmark release as the first free major OS X update from Apple
. While it is no longer officially supported, you can still find official update files and community-hosted full installers. Official Update Downloads (Apple Support)
Apple provides disk images (DMG) for the final point updates. These are full installers but updates for existing Mavericks systems: OS X Mavericks 10.9.5 Update (Combo) : The final stable version, recommended for all users. OS X Mavericks 10.9.1 Update : Specifically for Mac Pro (Late 2013) models. Apple Support Obtaining a Full Installer DMG
Because Mavericks is no longer on the Mac App Store for new users, you must look to alternative archives or your own purchase history: Mac App Store (Purchased Tab)
: If you previously "purchased" Mavericks (even for $0), it remains available in your tab on older Macs. Internet Archive : Community members have uploaded verified Mac OS X 10.9 Mavericks Installers 10.9.5 ISO/DMG files for preservation. Spiceworks Community How to Create a Bootable USB from the DMG An 8GB or larger USB flash drive (16GB is safer)
To install Mavericks on a formatted drive, you'll need an 8GB+ USB flash drive. Install OS X Mavericks on a USB Drive
Install OS X Mavericks.app extracted from your DMG.Warning: Downloading DMG files from random file-hosting sites, torrent trackers, or "Mac repositories" is risky. Many are laced with malware, corrupted, or modified. Do not download "Hackintosh" pre-patched versions unless you fully understand the risks.
For advanced users, this creates a perfect, bootable installer:
sudo dd if=/path/to/Mavericks.dmg of=/dev/disk2 bs=1m
(Replace /dev/disk2 with your actual USB device identifier. Be extremely careful – you can wipe your main hard drive.)
Many users argue that Mavericks represents the perfect middle ground between the skeuomorphic design of Snow Leopard and the flat, iOS-ified design of Yosemite (10.10). It feels “pro” without being outdated.