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How to Downgrade MacOS Without Losing Your Data

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So, you’ve decided that the newest version of MacOS just isn’t cutting it for you, huh? Maybe it’s too slow, maybe it’s not compatible with your favorite apps, or maybe you just miss the good old days of the older version. Whatever the reason, you’ve made the bold decision to downgrade your MacOS. But wait! Before you do anything, you’re probably worried about losing all of your precious data in the process. Well, fear not, my friend! I’m here to guide you through the process of downgrading MacOS without losing a single byte of your data.

First things first, let’s make sure you’ve got everything backed up. It’s always a good idea to have a recent backup of your data before making any major changes to your system. You can use Time Machine to back up your entire system to an external drive, or you can manually backup your important files to a cloud storage service or an external hard drive. Once you’ve got your data safely backed up, it’s time to roll up our sleeves and get down to business.

The first step in downgrading MacOS is to create a bootable USB installer for the version of MacOS you want to downgrade to. You’ll need a USB drive with at least 16GB of storage and the MacOS installer for the version you want to install. You can download the installer from the Mac App Store or from Apple’s website. Once you’ve got the installer, use a tool like DiskMaker X to create a bootable USB drive. It’s a pretty straightforward process, so I won’t bore you with the details. Just follow the instructions and you’ll have your bootable USB installer in no time.

Now, before you start the actual downgrade process, it’s a good idea to check if your Mac is compatible with the version of MacOS you want to install. Some older Macs may not be able to run the latest version of MacOS, and some newer Macs may not be able to run older versions. So, do a quick Google search to make sure your Mac can handle the version you’re downgrading to. Once you’ve confirmed compatibility, it’s time to boot up your Mac from the USB installer.

To do this, restart your Mac and hold down the Option key as it starts up. This will bring up the boot menu, where you can select the USB installer as the startup disk. Once the installer is booted up, you can start the downgrade process. Don’t worry, I won’t leave you hanging – I’ll walk you through it step by step.

When the installer boots up, you’ll be greeted with the familiar MacOS installation screen. Don’t click on “Install MacOS” just yet. Instead, go to the top menu bar and select “Disk Utility” from the “Utilities” menu. In Disk Utility, you’ll see a list of all the drives connected to your Mac. Select your Mac’s main drive (usually named “Macintosh HD”) and click on the “Erase” button. Don’t worry, erasing the drive won’t delete your data – we’re just preparing the drive for a clean install of the older version of MacOS.

In the erase dialog, give your drive a name (like “Macintosh HD”) and choose “Mac OS Extended (Journaled)” as the format. Then click “Erase” to format the drive. This will wipe your drive clean, so make sure you’ve got everything backed up before you proceed. Once the drive is formatted, you can close Disk Utility and return to the MacOS installer.

Now, you can click on “Install MacOS” and follow the on-screen instructions to install the older version of MacOS. Make sure to select your freshly formatted drive as the installation location. The installation process will take some time, so go grab a cup of coffee and relax.

Once the installation is complete, your Mac will restart and boot up into the older version of MacOS. Congratulations, you’ve successfully downgraded without losing any of your precious data! Now all that’s left to do is restore your files from your backup. If you used Time Machine, you can simply select “Restore from Time Machine Backup” from the setup screen and follow the instructions to restore your data. If you manually backed up your files, you can copy them back to your Mac from your external drive or cloud storage.

And there you have it – you’ve successfully downgraded your MacOS without losing a single byte of your data. Give yourself a pat on the back and enjoy the sweet nostalgia of the older version of MacOS. Just remember, if you ever decide to upgrade again, make sure to backup your data first. It’s always better to be safe than sorry. And with that, I bid you adieu. Happy downgrading!
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