Mac Os Sierra To High Sierra

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  1. Upgrade Mac Os Sierra To High Sierra
  2. Mac Os Sierra To High Sierra
  3. Mac Os Sierra High Sierra Mojave
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High Sierra (version 10.13) is the fourteenth major release of macOS, considering to compatibility and security, you'd better upgrade to the MacOS High Sierra. Moreover, the latest version will be better because it has an improved file system. After the macOS High Sierra is downloaded on your Mac, just follow the process to install the OS. It will take anywhere between 30 minutes to 1 hour to complete the installation, depending upon your Mac. After the installation is done, login with your iCloud ID to set up your Mac. High Sierra will still work even after security support have stopped. We’ll just have to be vigilant and perform security measures, install an anti-malware, anti-virus software. Though even with the newest OS receiving security updates, we would still need to be vigilant and implement security measures.

The day has come, High Sierra is available for upgrade. In case you were hesitant about whether you should rush to do it, don’t be. It’s a solid improvement with a whole bunch of new features. The new Apple File System and the end of autoplaying videos in Safari browser alone are worth it. You can check our separate entry on High Sierra features if you want. So, let us proceed to the macOS update and preparation.

MacOS High Sierra may not offer many radical changes to the user experience, but there are plenty of quality of life changes, and its under-the-hood alterations should help future-proof your Mac.

Important notice: Apple has recently pulled down macOS Sierra installer from the Mac App Store. This means that if you decide to upgrade now, the only OS you’ll be able to go back to is El Capitan. We kindly advise you to consider this before upgrading and make sure you’ll be willing to keep High Sierra for the next year.

Can your Mac update macOS this time?

Here are all the Mac models that are fit to run the latest OS 10.13.

MacBook Pro (2010 and later)MacBook (late 2009 and later)MacBook Air (2010 and later)
iMac (late 2009 and later)Mac Pro (2010 and later)Mac Mini (2010 and later)

Does your Mac have enough space and RAM?

Hardware requirements haven’t changed since last time, so it’s still like this:

Required memory:
2GB or more
Require disk storage:
Prepare Mac for the upgrade
Сleanup and backup

A few things before you install new macOS 10.13 High Sierra

To check your available disk space, click on the Apple icon in the top left corner of your screen and choose About this Mac.

Find the Storage tab and see how much free space you have. If it’s low, get a Mac cleaner to free up some space. Let's talk about it in detail.

Mac os sierra to high sierra upgrade

Clean up your Mac

Mac software update always works better on a clean computer, without old cache files, leftovers, and random system junk. So before you go get yourself that new High Sierra download and run it, make sure you have a clean Mac. There’s a great app for that, CleanMyMac. It deals with all kinds of system and hard drive trash in minutes, so you don’t have to lift a finger looking for junk manually.

Don’t forget to back up important data

Another step that needs to be remembered at all times: back up. Back it all up.

Upgrades are mostly safe and stable but you really don’t want to be that one accidental glitch in the system where your files get corrupted. So a proper backup is a must. You can get a powerful software for the job, Get Backup Pro. It’s faster and more secure than the native Time Machine.

Check Hard Disk for Errors, Health, Bad Sectors before upgrade macOS

You might also want to check your disk for errors before upgrading.

You can do it with Disk Utility app:

  1. Simply open Disk Utility app
  2. Click on First Aid and run it. It will check your startup disk for possible errors and fix them if it finds anything.

And run disk bad sector checking with Disk Drill app:

Should you upgrade or get a clean install?

First, you probably want to know what’s the difference between the two. Upgrade is a simple installation of a new system over the old one, where the core software gets upgraded while your files and system preferences remain intact.

A clean install, on the other hand, is a more radical way of upgrade that removes all your files on the hard drive. Now, why would you want that? Well, your system could’ve been misbehaving lately, your hard drive overloaded and you don’t feel like cleaning it, or you just want that feeling of a brand new Mac again. In this case you’ll have to upload the files you still need in the cloud or save them on another drive.

How to download macOS High Sierra

This is pretty easy, even though not always fast. Your latest macOS download is on the Mac App Store.

So, follow these steps to download and update macOS:

  1. Make sure you have a fast and stable WiFi connection. Don’t use public networks in cafes/hotels for upgrades, they can be of poor quality and interrupt the process.
  2. Open the App Store app on your Mac.
  3. Fin the last tab in the top menu, Updates.
  4. Click it.
  5. One of the updates is macOS High Sierra.
  6. Click Update.
  7. Your download has started.
  8. High Sierra will update automatically when downloaded.

After you upgrade to new macOS 10.13

While you’re enjoying your new system, here’s how to make your experience even better. New macOS always feels like a fresh start, which means it’s time to take care of your Mac. With Setapp subscription you not only get CleanMyMac and Get Backup Pro that we mentioned earlier, but a whole collection of super-handy applications.

For instance, Setapp has apps to keep your Mac safe and healthy, like iStat Menus with real-time performance analytics. You can see how your Mac is doing, is it overheating or running out of RAM, view battery life, and a whole set of other indicators. iStat Menus is a real heart monitor for computers and it lets you catch every minor issue before it gets major.

There’s also Disk Drill app to recover your data. It’s a handy app with a bunch of irreplaceable features like restoring your files in case the drive was corrupted, analyzing your disk to see what hogs space on it, and duplicate file removal. So everything you need on Mac in one app subscription. Give it a spin, it’s free for a week.

We hope this guide has been of help to you. Have a good upgrade, cheers!

These might also interest you:

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23 19 likes 9,484 views Last modified Jul 14, 2021 12:03 PM

This tip is part of a series of tips for the client editions of Mac OS X 10.6,10.7, 10.8, 10.9, 10.10,10.11El Capitan

10.12 Sierra, and 10.13 High Sierra, and 10.14 Mojave, 10.15 Catalina, 11.0 Big Sur.

Note, some downloads from Apple do not work in Safari for earlier Mac OSes, see this tip if you find you can't download them anymore, to find a browser that will work.

10.14 Mojave has been released on 9/24/2018.

Backup your data before installing any new system. Please do not consider any reports of compatibility for 10.14 as accurate until published after that date. 10.13.6 users can use the 2020-003 High Sierra update for the latest security enhancements and maintain their 10.13.6 compatibility. Run the 10.13.6 Combo update if running an earlier version of 10.13 and desiring those security enhancements.


Upgrade Mac Os Sierra To High Sierra

Be forewarned, Macs with solid state drives will be updated in formatting to APFS with 10.13 or later(this is discussed later in the tip, but bears repeating). This means if you need to downgrade the machine, you will need to erase the partition with the older HFS extended GUID to use the older systems. Regardless of which direction you go, backup your data first. This is only for Macs older than September 25, 2017.

Go to Apple menu -> System Preferences -> Date and Time and select the closest time server to set your time, and do so. Download based on manual time may fail, especially on older systems where the system time is not set right.

All Macs prebundled with 10.13 can be upgraded to Catalina.

High Sierra, which has the same system requirements as Sierra

(The Sierra requirements below include the hardware machine ID in the System report

Upgrade from mac os sierra to high sierra
  • MacBook (Late 2009 or newer) 6,1
  • MacBook Pro (Mid 2010 or newer) 6,1
  • MacBook Air (Late 2010 or newer) 3,1
  • Mac mini (Mid 2010 or newer) 4,1
  • iMac (Late 2009 or newer) 10,1
  • Mac Pro (Mid 2010 or newer) 5,1


is still available. The official links for 10.13 High Sierra is below and can be installed from 10.12 or earlier based on the specs below. Some have had trouble downloading the direct link. has been found to be a better web browser than some if you run into issues and runs with 10.10 or later. Other full upgrade installers around on

If you have an older Mac and wonder if you can upgrade to Sierra or high Sierra, I have posted this tip as well.

These tips all refer to the client version. If you are using Mac OS X server, please check: Server forums

for more posts on Mac OS X Server.

On September 25, 2017, Apple released 10.13 High Sierra for Macs. It has the same minimum requirements as its predecessor, except that it needs to be updated from 10.8. However, if you want support for Apple's new hardware acceleration, you will need:


iMac: late 2015 27' or newer, 2017 21.5' or newer

MacBook: early 2016 or newer

MacBook Pro: late 2016 or newer

Backing up your data before installation as always is a must.

are directions for creating a separate partition that will allow you to dual boot into an older operating system

if you find something not compatible with the current. Once you install the older operating system, you can use the Startup manager to dual boot to the older system

A new file system has been introduced with 10.13, known as APFS:

discusses when to use it. A tip I wrote earlier discusses the advantages of other file systems as well:

RoaringApps continues to provide a third party listing that when updated past the release date is fairly reliable for the operating system. Please update it if you find inconsistencies.

The forum macOS High Sierrafrom Apple offers user to user Apple moderated discussion about the unique features of the operating system.

Other user tip authors are welcome to contribute any specific updates.

10.13.1 was discovered to have a serious root bug which was eventually fixed with 10.13.2.

10.13.2 was released December 7, 2017

10.13.3 was released January 23, 2018

10.13.4 was released March 29, 2018

10.13.5 was released June 1, 2018

Safari 12.0.1 was released on October 31st for both Sierra and High Sierra through the App Store.

Security Update 2019-007 was released December 10, 2019, and is only available for 10.13.6. This update has had random issues with some computers. Always backup your data, and always check the health of your computer.

is able to check the health of the hard drive, before installing the update, which is found here:

Mac Os Sierra To High Sierra

Apple High Sierra RAW Camera support is discussed on this article.


are directions for creating a separate partition that will allow you to dual boot into an older operating system

if you find something not compatible with the current. Once you install the older operating system, you can use the Startup manager to dual boot to the older system.

Mac Os Sierra High Sierra Mojave

[Edited by Moderator]