Upgrades are fast, efficient, and most important, very easy, and that’s the recommended option for the vast majority of Mac users. If you're updating a machine to OS X Server, let us know how it goes. The default solution for installing OS X Mavericks is to download it free from the App Store and then perform an upgrade from a previous version of Mac OS X, whether that’s from Mountain Lion or Snow Leopard. Install the Download Mavericks Mac application from the apple store.
5GB of storage space when upgrading from OS X Yosemite or earlier. Download Apple Mac OS X Mavericks for Mac to oS X Mavericks is the latest release of the worlds most advanced desktop operating system. Among the appealing features of the new OS X Server build (profile management with VPP app distribution, free XSan, the new XCode build server, and the much-loved file and web serving tools) is a revamped Caching Server, which saves Apple software updates - both Mac and iOS - to local storage, minimizing the impact to your company bandwidth. Catalina is the first version of macOS to support. As of this evening, it's showing up in the Mac App Store for download or purchase. The latest edition of the OS X Server package, OS X Server 3.0, is the build tuned to work with OS X 10.9 Mavericks. (It used to be considerably more expensive, especially if you wanted to run it on the purpose-built hardware.) Those days, thankfully, are gone: OS X Server now exists as an application shim on top of regular ol' OS X, and you can buy it in the Mac App Store for just $19.99.
There was a time when installing and configuring Mac OS Server or OS X Server was no modest undertaking it was an entirely different operating system build, requiring a reinstall or upgrade to get at the yummy workgroup nougat center of Apple's desktop system.