If you’re on High Sierra 10.12. 4 or later, and you want to revert to the version of macOS that shipped with your Mac, then you’re in luck! This is one of the easiest ways to downgrade your Mac: Restart your Mac, while holding down the ‘Shift+Option+Command+R’ keys.
Can you downgrade from High Sierra?
The process of downgrading from Catalina, Mojave or High Sierra to an older system like Sierra is a little more difficult due to differing file formats. Older versions of macOS and Mac OS X all use Apple’s HFS+ file format, while newer versions of macOS utilise Apple’s proprietary APFS file format.
How do I downgrade my macOS High Sierra without time machine?
How to downgrade without a Time Machine backup
- Plug the new bootable installer into your Mac.
- Restart your Mac, holding the Alt key and, when you see the option, choose the bootable install disk.
- Launch Disk Utility, click on the disk with High Sierra on it (the disk, not just the volume) and click the Erase tab.
Can I downgrade my macOS version?
Unfortunately downgrading to an older version of macOS (or Mac OS X as it was previously known) isn’t as simple as finding the older version of the Mac operating system and reinstalling it. Once your Mac is running a newer version it won’t allow you to downgrade it that way.
How do I downgrade my High Sierra 10.13 6?
Option-⌘-R Upgrade to the latest macOS compatible with your Mac. Shift-Option-⌘-R Install the macOS that came with your Mac, or the closest version still available. Release the keys when you see the Apple logo, a spinning globe, or a prompt for a firmware password.
Can I downgrade from High Sierra to Yosemite?
How can I downgrade from High Sierra to Yosemite? Answer: A: Answer: A: If you have a Time Machine backup with Yosemite on it you can restore from there.
Can you downgrade macOS without Time Machine?
Downgrade Your Mac without Time Machine. If you don’t have a Time Machine backup, you‘ll have to downgrade macOS the old-fashioned way: by resetting your hard drive. … You‘ll need to create a bootable installer for macOS first, which can be done on any external disk (such as a USB thumb stick.)
Can you downgrade macOS without losing data?
If you don’t like your new macOS Catalina or current Mojave, you can downgrade the macOS without losing data on your own. You need first backup important Mac data to an external hard drive and then you can apply effective methods offered by EaseUS on this page to downgrade Mac OS.
How do I downgrade to OSX Mojave?
The downgrade requires wiping your Mac’s primary drive and reinstalling MacOS Mojave using an external drive.
…
- Step 1: Back up your Mac. …
- Step 2: Enable external media booting. …
- Step 3: Download MacOS Mojave. …
- Step 4: Prepare your drive. …
- Step 5: Wipe your Mac’s drive. …
- Step 6: Install Mojave.
Can I install older version of macOS?
The version of macOS that came with your Mac is the earliest version it can use. For example, if your Mac came with macOS Big Sur, it will not accept installation of macOS Catalina or earlier. If a macOS can’t be used on your Mac, the App Store or installer will let you know.
What was before Sierra High?
Releases
| Version | Codename | Processor support |
|---|---|---|
| OS X 10.10 | Yosemite | 64-bit Intel |
| OS X 10.11 | El Capitan | |
| macOS 10.12 | Sierra | |
| macOS 10.13 | High Sierra |
How clean install macOS High Sierra?
How to Perform a Clean Install of macOS High Sierra
- Step 1: Backup Your Mac. As noted, we’re going to completely erase everything on the Mac. …
- Step 2: Create a Bootable macOS High Sierra Installer. …
- Step 3: Erase and Reformat the Mac’s Boot Drive. …
- Step 4: Install macOS High Sierra. …
- Step 5: Restore Data, Files and Apps.
How do I downgrade from OSX High Sierra to El Capitan?
You can now follow these steps where you will have to erase macOS Sierra and then Reinstall El Capitan.
- Erase macOS Sierra. Select the item of “Restart” from the “Apple” menu of your Mac . …
- Get OS X El Capitan Reinstalled. Select “Reinstall OS” option from OS X Utilities Window.