Then, if your Mac is running OS X Lion 10.7.5 or later, you can upgrade directly to mac OS Sierra. Click the download button and follow the onscreen instructions to begin your upgrade.
If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
You can purchase OS X Snow Leopard from the Apple Online Store.Disk Warrior 5 supports any locally connected Mac OS Standard (HFS) or Mac OS Extended (HFS Plus) disk including Fusion Drives, RAID volumes, journaled disks, case-sensitive disks, File Vaults and Time Machine backups.Disk Warrior 5 supports both Power PC and Intel Macs started in OS X 10.5.8 through 10.12.Review this table for specific requirements of each i Cloud feature.Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement.When first discussed in June 2005, Jobs had stated that Apple intended to release Leopard at the end of 2006 or early 2007.However, the senior project marketing director for Mac OS X stated on June 11, 2007 that the existing HFS , not ZFS, will be used in Leopard.The quick and dirty answer is, if your Mac uses an Intel processor then you can upgrade to OS X 10.6 (Snow Leopard).However, there's much more you should know before you make a final decision.There are so many reasons to upgrade to mac OS Sierra now.You get access to new features that make your Mac even more useful and fun.Other notable features include support for writing 64-bit graphical user interface applications, an automated backup utility called Time Machine, support for Spotlight searches across multiple machines, and the inclusion of Front Row and Photo Booth, which were previously included with only some Mac models.Apple missed Leopard's release time frame as originally announced by Apple's CEO Steve Jobs.Upgrading ensures that you have the latest security features and performance enhancements. Before you upgrade, we recommend that you back up your Mac.