Fortunately, updating to Apple's newest operating system, Mac OS X Mavericks 10.9, is free. MORE: Have 1 in 5 Macs Just Become Vulnerable to Attack? Check that your computer's hardware is capable of running OS X Mavericks.There are so many reasons to upgrade to mac OS Sierra now.The Upgrade option is the most common method of installing OS X 10.5 Leopard.
Detailed instructions are available in the ‘Prep Your Mac for Snow Leopard’ guide.Instant Hotspot requires an i Phone or i Pad with cellular connectivity with a Lightning connector and i OS 8.1 or later.helps you rediscover your best photos, shop faster and more conveniently online, and work more seamlessly between devices. Now your Mac does even more for you, so you can do more with your Mac. No matter what you’re working on, your intelligent personal assistant is always a click away. Pin sports schedules, Twitter results, a list of files related to your big project, and more, right in Notification Center.It will present a status window that displays an estimated time to complete, and a progress bar that provides a visual clue to how much work is yet to be done.Once the Snow Leopard installer copies the core files to your hard drive, your Mac will restart.