You can upgrade to OS Yosemite on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8GB of available storage space.
OS X Mountain Lion (version 10.8) is the ninth major release of OS X (previously Mac OS X, now called macOS), Apple Inc.' S desktop and server operating system for Macintosh computers. OS X Mountain Lion was released on July 25, 2012 for purchase and download through Apple's Mac App Store, as part of a switch to releasing OS X versions online and every year, rather than every two years or so. Cant download protools first on mac. Download Slack for free for mobile devices and desktop. Keep up with the conversation with our apps for iOS, Android, Mac, Windows and Linux.
MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008) MacBook Air introduced in late 2008 or later MacBook Pro introduced in mid 2007 or later Mac mini introduced in early 2009 or later iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with OS X Yosemite, the installer will let you know.
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Mac users can download OS X 10.8 Mountain Lion Golden Master, OS X 10.8 Mountain Lion Server Golden Master, OS X Mountain Lion 10.8 VMware with InstaSign (OS X Virtual Image with support for hardware that doesn’t support virtualization), OS X Lion 10.7.2 Vmware With InstaSign (OS X Virtual Image for Resigning Apps on Windows), Xcode 4.6 and iOS 6.1 SDK beta 4, Xcode 4.4 Developer.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of macOS.
If you still need OS X Yosemite, use this link: Download OS X Yosemite. A file named InstallMacOSX.dmg will download to your Mac. Mac os x lion image download.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallMacOSX.pkg.
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Follow the onscreen instructions, which will guide you through the steps necessary to install.
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Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install OS X Yosemite.
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Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both OS X and related updates to your Mac firmware.
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OS X Yosemite won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.