Nothing prior to Sierra is available now. You would need to erase the drive, reinstall Snow Leopard from the disks that came with your computer, originally, then re-download any version of OS X that is on your Purchases list in App Store. Your particular model can be firmware upgraded to perform Internet Restore: Computers that can be upgraded to use OS X Internet Recovery. Using Internet Restore you can start with Lion and won't need to start with Snow Leopard.
Safari has been Apple's Web browser for many years, and the company keeps making improvements to it at regular intervals. Originally designed to be a Web browser with the Mac OS look and feel. Apple mac os x mavericks free download - Apple Mac OS X Mavericks, Apple Mac OS X Yosemite, Apple Mac OS X Snow Leopard, and many more programs. About Mavericks Mavericks is version 10.9 of Apple OS X (read our full review of Mavericks for more details). At first glance, it closely resembles the previous version, Mountain Lion, but comes. Global Nav Open Menu Global Nav Close Menu; Apple; Shopping Bag +.
Install Lion Through Yosemiteon a New HDD/SDD
Be sure you backup your files if possible.
- Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears. Wait patiently - 5 to15 minutes - until the Utility Menu appears.
- Select Disk Utility from the Utility Menu and click on the Continue button.
- After Disk Utility loads select the drive (usually, this is the out-dented entry with the mfgr.'s ID and size) from the side list. Click on the Partition tab in Disk Utility's main window.
- Under the Volume Scheme heading set the number of partitions to one volume. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the Format type to Mac OS Extended (Journaled.) Click on the Partition button and wait for the process to finish. Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X from the Utility Menu and click on the Install button.
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Check compatibility
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.
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
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.
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.
Get connected
It takes time to download and install OS X, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download OS X Yosemite
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.
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.
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.
Learn more
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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.
- You can use macOS Recovery to reinstall macOS.