Download Mac OS X 10.4 - 10.15 Original - All Versions

Upgrading from an older version of macOS? If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. Supports OS X 10.7 or later and Windows 7 or later. App Store. Available only to persons age 13 or older in the U.S. and many other countries and regions. macOS and OS X version code-names | iMore From 2001 to 2012, OS X was code-named internally (for development purposes) after big cats. Becuase Apple marketing was also using those code-names to promote OS X publicly, however, the company's development crew switched their internal naming structure to wines beginning with OS X 10.3 — publicly known as Panther, privately as "Pinot." Download and Install old Versions of OS X on a Mac Without App Store: Download Mac OS version as Apple Developer . If you are signed with an Apple Developer account, you can get access to products that are no longer listed on the App Store. If you desperately need a lower OS X version build, consider creating a … macOS Catalina - Apple - Mac OS X Leopard

Download Mac OS X Mavericks (10.9) ISO directly for free.

The first release of the new OS — Mac OS X Server 1.0 — used a modified version of the Mac OS GUI, but all client versions starting with Mac OS X Developer Preview 3 used a new theme known as Aqua. Aqua was a substantial departure from the Mac OS 9 interface, which had evolved with little change from that of the original Macintosh operating

How to upgrade to OS X Yosemite - Apple Support

2016-7-27 · Version minOS Xto run OS X SDK(s) iOS SDK(s) included Min iOS Deployment Target Xcode 5.0 - 6.x (since arm64 support) Version history Version minOS Xto run OS X SDK(s) iOS SDK(s) included downloadable iOS Simulators 5.0 10.8.4 OS X v10.8 iOS 7 Mac OS Compatibility Guide by Mac Model Easily check which versions of mac OS, iOS, iPadOS, or watchOS are compatible with your Mac model or iDevice. Guide includes OS X 10.8.x to macOS 11.0.x. Find out which macOS your Mac is using - Apple Support