How to install an older version of macOS

It is a reality that any operating system can have some kind of bug, and macOS is not free of this. On certain occasions we have installed a new update on our Mac that has generated some kind of problem that has hindered us, and quite, the experience of use. The first question we ask ourselves is if we can go back to the previous version and wait for the solution, and the truth is that Apple has several ways to go back to an earlier version of its operating system.

Using Time Machine

We’ve always made it a point to back up your files before updating. This is one of the ways we have to go back to a previous version in a really easy way. The native program that performs these backups is Time Machine , using a hard drive that we ourselves must connect to the Mac to store and manage all these backups. This is why, in the different copies we have, we can rescue the previous version of macOS where there was not a specific bug that we are suffering right now.

How to install an older version of macOS
How to install an older version of macOS

The problem is that by restoring we will lose all our data that we edited when we created the new version of macOS. To avoid losing it, simply copy it to a different hard disk.

Once we have considered all this, we simply need to follow the next steps:

  1. Turn off your Mac, and when you restart it you’ll have to quickly press the Command + R keys at the same time. We’ll need to keep pressing them until the Apple logo appears.
  2. We’ll enter the system recovery mode and among the different options we’ll find we’ll select ‘Restore from a Time Machine backup’.
  3. Choose the Time Machine security hard drive.
  4. All the backups included in the hard drive will be displayed. You should choose the one that took place before the operating system update.
  5. Follow all the installation instructions that will appear on the screen.

Once this process is done, we’ll go back to the version we had previously installed on our Mac with all its files. Now it’s time to import the files we’ve edited after the upgrade. In this way we can wait for Apple to bring out a more stable version and cross our fingers so that the installation does not pose a problem. As you can see, when it is said that previous backups are important it is not for saying, but that they can save from some serious problems.

Through the Mac App Store

If we search the App Store on our Macs we can find the ‘hidden’ access to the different versions of the operating systems. When we do a major software upgrade, such as upgrading from High Sierra to Catalina or other, we may miss the previous version. That’s why if you want to take a giant step backwards with your Mac software, simply search the App Store for the downloadable file. But unfortunately we can’t put ‘macOS High Sierra’ for example in the search engine, as nothing will come up. You have to enter through the link below:

Download macOS MojaveDownload macOS High SierraDownload macOS SierraDownload OS X El Capitan

Accessing some of these links to older versions of software will open a window on the Mac App Store. Here we will need to download the installer in the usual way to be able to run it later and install it. But obviously Apple puts some obstacles in the way of installing old versions of the software. One of these may be that the installer is damaged, something that is usually fixed by changing the general date of the Mac to go back in time.

Obviously, we recommend you to always be in the most updated version of the operating system. But there are always people who want to investigate these versions on some partition of the disk, having this possibility. It is possible that in the future Apple will remove these installers from the application store but for the time being they can be installed without any problem.

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