The classic Bone X x.12, or rather a macOS upgrade, introduced tons of features anyone would however want on their Mac. Why? Considering information technology'due south well-tested and secure. Now nosotros'll accept a quick look at the legendary macOS Sierra upgrade. (In example yous want to upgrade your Mac to macOS 10.thirteen Loftier Sierra, check out this guide.)

Interestingly, it first brought Siri to your Mac. This is keen news for everyone who'south already used to her assist on iOS. Then, at that place's Sentinel unlocking for Mac; there's one-click Apple tree Pay, tabs in apps, and cross-device copypasting. Simply to name a few.

So, if yous were on the contend about upgrading to Sierra, and in fact, whatsoever newer OS, go correct ahead. Your Mac deserves a refreshment.

Who can upgrade to macOS Sierra

How to upgrade macOS: Sierra 10.12 compatibility list

As with the previous versions, macOS Sierra is bachelor for a limited list of Mac models.
Here are the models of Macs that are compatible with macOS 10.12 and can upgrade to Sierra:

macOS Sierra upgrade for MacBook Pro macOS Sierra upgrade for MacBook Air
MacBook Pro MacBook Air Mac mini
Mid 2010 or newer Late 2010 or newer Mid 2010 or newer
Is Mac Pro compatible with macOS Sierra Is MacBook compatible with macOS Sierra Is iMac compatible with macOS Sierra
Mac Pro® MacBook iMac
Mid 2010 or newer Late 2009 or newer Belatedly 2009 or newer
How to update mac OS MacBook Air

Does order thing when you upgrade macOS?

If your current operating organisation is Bone 10 Lion (10.7), yous can skip a few versions and upgrade directly to macOS High Sierra. To upgrade to Sierra from, say, Mavericks, you'll have to consequently upgrade to Yosemite and then to El Capitan first.

Check your macOS for Sierra compatibility

These OS versions tin can upgrade to Sierra:

  • Os X Mount Panthera leo v10.8 or King of beasts
  • Os X Mavericks v10.nine
  • OS 10 Yosemite v10.10
  • Bone X El Capitan v10.11

Here's how to observe out which OS version you lot're running at present:

  1. Click the Apple icon in the top left corner.
  2. Choose Almost this Mac.
  3. There you lot have it, in upper-case letter letters.
How to check OS version?

Retentivity (RAM): two GB (preferably 4 GB)
Sierra is pretty lightweight, and then y'all only need 2 GB of RAM to upgrade. Cool, eh?


Disk space: 8 GB of complimentary space on the drive.
In the same About this Mac, carte select the "Storage" tab. In front of the multi-coloured bar, you will see the phrase, "10.20 GB free out of XX.XX GB." If you don't have at least 8 GB of free space, you should delete some onetime files.


Before yous update macOS, don't forget to:

Clean up your Mac

This is essential if y'all want a fast and effortless update and glitchless work of your new macOS. And it's also pretty piece of cake. To give your Mac a cleanup, you need to go rid of system junk, uninstall extra apps, and make clean some old caches. If that sounds similar a lot of work, you lot tin get a Mac cleaner like CleanMyMac for the job.

How to update your Mac:  Clean it up outset

  1. Download CleanMyMac X free version.
  2. Launch information technology.
  3. Hitting Scan to find all the extra files you lot can delete.
  4. Press Run.
CleanMyMac X - Smart Scan complete

As you lot tin see, I accept eight.56 GB worth of caches, obsolete language files, broken downloads. You'll feel great getting rid of them.

That will give your Mac a basic organisation cleanup, but CleanMyMac is going to come in handy subsequently the update besides. Information technology monitors your Mac's health, helps you speed upwards the system and remove unnecessary apps (Trashing doesn't fully uninstall apps, past the way).

Support your Mac

This is bones mutual sense before any Mac software update y'all'd similar to undertake. Why? Well, because sometimes updates happen less smoothly than yous'd similar them to. To brand certain you have all your information and files saved up neatly, you lot need a backup. To back up your Mac, you need to activate Time Machine.

  • Open your Applications folder.
  • Choose Time Motorcar.
  • "Select Backup Disk…"
    Note: You lot may need to first choose to "Prepare Up Time Auto."
  • Choose where you lot'd like to store your backup.
  • Both an external drive or an Airport Time Capsule fit.
Backup your data with Time Machine | macOS Upgrade
  • Switch the toggle on the left, from "OFF" to "ON." Right beneath the name of your storage device, you lot'll see "Oldest fill-in," "Latest backup," and "Side by side fill-in" — Your backup will begin within 5 minutes. To speed it upwardly, click the arrow clock icon next to the Date & Time at the top-right of the menu bar and select "Dorsum Upwardly Now."

How to download macOS Sierra (or newer macOS) and install it

macOS Sierra is increasingly becoming a relic. But information technology all comes down to hardware. Your Mac can just upgrade to the latest version its hardware can support. If your Mac is from effectually 2012, information technology tin can update as high up as to macOS Catalina. If your Mac is from 2010 or older, its limit is macOS Loftier Sierra.

To download any new macOS and install it, you'll demand to practice the next:

1. Open System Preferences... in the  Apple menu.
ii. Click on Software Updates.

On top of the listing, you lot'll encounter the latest macOS version your Mac can download.

Some other way to do information technology is via the Mac App Store.

  1. Open App Store.
  2. Click the Updates tab.
  3. You'll see macOS updates bachelor for your Mac.
  4. Click Update.

Await for macOS download and installation. Your Mac volition restart when it's done.

Now you have a new OS.

For historical interest, this is how macOS Sierra looked back then when it was still available in the Mac App Store. Now, information technology tin can't be found there anymore.

How to download macOS Sierra from App Store

Download macOS installers direct from Apple tree

For users of past operating systems, Apple created a handy list of macOS installers. They get as far dorsum as to macOS Yosemite.

We hope this guide has been of use, and don't forget to clean up your Mac and back it up before you get the classic macOS! Cheers.