![]() Snow Leopard was the last release of Mac OS X to support the 32-bit Intel Core Solo and Intel Core Duo CPUs. Snow Leopard was the last version of Mac OS X to be distributed primarily through optical disc, as all further releases were mainly distributed through the Mac App Store introduced in the Snow Leopard 10.6.6 update. ![]() For several years, Apple continued to sell Snow Leopard at its online store for the benefit of users that required Snow Leopard in order to upgrade to later versions of OS X. Snow Leopard was succeeded by OS X Lion (version 10.7) on July 20, 2011. As support for Rosetta was dropped in Mac OS X Lion, Snow Leopard is the last version of Mac OS X that is able to run PowerPC-only applications. It was also the first Mac OS release since System 7.1.1 to not support Macs using PowerPC processors, as Apple dropped support for them and focused on Intel-based products. New programming frameworks, such as OpenCL, were created, allowing software developers to use graphics cards in their applications. Much of the software in Mac OS X was extensively rewritten for this release in order to take full advantage of modern Macintosh hardware and software technologies ( 64-bit, Cocoa, etc.). Its name signified its goal to be a refinement of the previous OS X version, Leopard. Apple famously marketed Snow Leopard as having "zero new features". The goals of Snow Leopard were improved performance, greater efficiency and the reduction of its overall memory footprint, unlike previous versions of Mac OS X which focused more on new features. The release of Snow Leopard came nearly two years after the launch of Mac OS X Leopard, the second longest time span between successive Mac OS X releases (the time span between Tiger and Leopard was the longest). As a result of the low price, initial sales of Snow Leopard were significantly higher than that of its predecessors whose price started at US$129. On August 28, 2009, it was released worldwide, and was made available for purchase from Apple's website and retail stores at the price of US$29 for a single-user license. Snow Leopard was publicly unveiled on Jat Apple’s Worldwide Developers Conference. A recommendation would therefore move up to 10.11 El Capitan.Mac OS X Snow Leopard (version 10.6) is the seventh major release of macOS, Apple's desktop and server operating system for Macintosh computers. Update: Since the release of High Sierra it has to be presumed that also Yosemite is now some kind of abandonware. In terms of performance, security and support, whether from Apple or third party developers, Snow Leopard is not that good of a choice, especially if this machine is going to be used on the net. But there are now certain downsides to be considered for this approach. "If I buy Snow Leopard?" As stated above Snow Leopard should work. ![]() If it had Sierra previously installed and WiFi was working you are good to go with it. That might be the only real deal breaker for Sierra on this hardware. A 2009 MacBook Pro is listed there as a supported machine, in principle.īut be sure to verify your WiFi card is supported before you go that route. See this Sierrapatch to help you with that. (Which would be self-evident if the terminology used in the OP's question is accurate.) But Sierra can be installed and works for many more Macs than Apple allows. That sign you see on screen when booting an installer with the official version of Sierra shows you that Apple has blacklisted this machine from receiving this upgrade. (And now that High Sierra s released a re-download of the Sierra installer seems impossible…) It might also be a challenge to request that download from a machine that Apple is no longer supporting or if you want to use the AppStore and have not previously downloaded the installer with the AppleID currently in use. Sierra is not officially supported on that machine you have now. Once that is downloaded or came otherwise into your possession in full then the app is transferable to other Macs.įor the actual install it is possible to create a real external install medium, most users opt for a USB-stick.Īn application that greatly simplifies the task is DiskMakerX. But you need access to an ***Install.app that is usually downloaded via the AppStore. ![]() To install any version of OS X/macOS it is strictly speaking not necessary to provide or even have an AppleID. That translate into version numbers as anything from 10.5.7 (9J3050) to 10.11 (and with caveats: also 10.12) can be installed. This 2009 MacBook Pro should be able to boot anything from Leopard, Snow Leopard, Yosemite to Sierra. Just to clarify the terminology used: If you ask about "reinstall macOS" that would mean macOS "Sierra", at least, strictly speaking, older versions of the Macintosh operating system are called Mac OS X.
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