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Based on the newly released Net Applications data for November , it appears that Sierra has been installed on nearly one third of the Macs that were used for Web browsing last month. Meanwhile, El Capitan, which has been out for over a year and is still being supported, is currently tied with Sierra at one third of the Mac market share, and Yosemite is in third place at just over one-fifth of the active installed base. All older versions of OS X, though, together comprise more than In other words, about 1 in every 7 Macs in use today is no longer getting security updates. This makes non-upgraded or non-upgradeable Macs a potentially significant target roughly 20 to 30 million computers for criminals interested in infecting a large quantity of devices.

Will your Mac run macOS High Sierra?

Anyone still using a Mac that cannot be upgraded to Sierra, or at least El Capitan, should strongly consider buying new hardware if they can afford it. If you have an older Intel Mac, you have several options. One solution is to set up Boot Camp and install Windows to use as your Mac's primary operating system. At the time of this writing, If you can't afford to buy a brand new Mac, but you do have a little bit of money to spend, you can shop around for used Macs. If you know a Mac user who's still running an older version of OS X , do them a favor and check to see whether their Mac is capable of running macOS Sierra.

If so, help them upgrade.

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If not, let them know it's time to strongly consider getting a newer computer. Of course, informing users about software and hardware that will no longer receive security updates should be primarily Apple's responsibility—not merely that of security researchers, security blogs, or blog readers. Let's hope that Apple eventually figures this out and starts giving users advanced warning and clearer notifications when they need to upgrade lest they put their digital safety at risk.

As an aside, 1 in 7 Macs is a slight percentage decrease as compared with January when I last brought this up ; at that time 1 in 5 Macs were no longer getting security updates.

The decreased percentage of unpatched or unpatchable Macs since then is likely due in part to fewer old Macs still being in use almost two years later, and many new Macs being sold in the mean time. Wow, Kudos to you Joshua for a long and informative piece. This kind of useful information is so rare these days online…. There is a lovely free installer that helps. This even explains a special update feature that allows you to continue using the Sierra updater without fear.

Learn more

Super smooth, and it works fine. I would recommend 4G of RAM as a minimum though. Wow shows you windows and linux is way better.

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  • Use the Mac operating system that came with your Mac, or a compatible newer version;
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You can install windows 10 latest on computers all way back to Any ideas which of all these options is the most effective or easy to implement for a relative newbie? Or which combination of them? Learn more about how to upgrade to macOS Mojave. Click here for instructions. Requires Personal Hotspot service through your carrier. Supported by the following Mac models:.

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  • What to Do if Your Mac Can’t Run macOS Sierra.
  • Which Mac operating systems are compatible??

Installing the latest Service Packs is recommended. Upgrade now.

What is the Latest Version of macOS?

Upgrading is free. General Requirements. Apple is expected to announce new iPhones next month, and now we may know the exact day. Back to school: 9 gadgets every student needs. Can you upgrade your Mac's hardware? Here's how to find out. My Profile Log Out. Join Discussion.

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How to Upgrade Your Mac to the macOS Sierra

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