The downloaded file will be placed in the Applications folder, but you can move it anywhere on your Mac, even to an external hard drive or flash drive. The good news is that free shipping is available.
They will likely have image files of all the different versions of the software and help you install it right there as well. If you download the file from the App Store, the installer will start immediately. Follow the prompts and be prepared to restart your computer. A downgrade is different than an upgrade.
When you try to downgrade macOS, the installer may not launch right away depending on which versions of macOS you are moving between. Creating a bootable USB or a bootable drive is not complicated. Whether you use Terminal or Disk Drill, our guide on creating a bootable installer will walk you through all the necessary steps. Once your drive is prepared with your bootable version of OS X, erase the unwanted version.
Tab to the Erase page and name the file you want erased e. Hit Erase and quit out of Disk Utility. This will return you to the OS X Utilities selector. If you used Disk Drill for creating your bootable drive, a window will prompt your actions for using the install disk you made. Find and select your install disk with your bootable version of your preferred macOS, and click continue through to the license agreement.
Once you agree, you should be prompted by the installer. Once the installation is completed, your computer should restart. If it does not restart itself, make sure you restart it normally. Below is a chronological list of all the updates beginning with the most recent update, High Sierra, released in Downloads for previous versions of OS X are linked below and include:.
Downloading a. Alternatively, you could hit up your nearest Apple Store. They will likely have image files of all the different versions of the software and help you install it right there as well. If you download the file from the App Store, the installer will start immediately.
Follow the prompts and be prepared to restart your computer. A downgrade is different than an upgrade. When you try to downgrade macOS, the installer may not launch right away depending on which versions of macOS you are moving between.
Creating a bootable USB or a bootable drive is not complicated. Whether you use Terminal or Disk Drill, our guide on creating a bootable installer will walk you through all the necessary steps. Once your drive is prepared with your bootable version of OS X, erase the unwanted version.
Tab to the Erase page and name the file you want erased e. Hit Erase and quit out of Disk Utility. This will return you to the OS X Utilities selector. If you used Disk Drill for creating your bootable drive, a window will prompt your actions for using the install disk you made. Find and select your install disk with your bootable version of your preferred macOS, and click continue through to the license agreement.
But as it often happens, workarounds are possible. There is still a chance to download the installation file if you have an access to a Mac or virtual machine running that operating system. For example, to get an installer for Lion, you may ask a friend who has Lion-operated Mac or, once again, set up a virtual machine running Lion. Then you will need to prepare an external drive to download the installation file using OS X Utilities.
Below is the detailed instruction how to do it. Now the OS should start downloading automatically onto the external drive. After the download is complete, your Mac will prompt you to do a restart, but at this point, you should completely shut it down.
Locate InstallESD. The same steps are valid for Mountain Lion and Mavericks. If your Mac runs macOS Sierra Instruction to downgrade from macOS Sierra.
Instruction to downgrade from macOS High Sierra. Instruction to downgrade from macOS Mojave. Instruction to downgrade from macOS Catalina. To that, you need to select it when your Mac starts up. If you want to install an older version of macOS on your main drive, you need to completely wipe it first. Now, when you head back to the macOS installer, you should be able to install the older version of OS X on your main disk.
If you need to run an older version of OS X to use older third-party software, consider looking for alternatives that run on the latest versions instead. That way, downgrading might not be necessary at all. With over 5 years of supporting Mac users, Ruslana lives and breathes everything Mac.
Tech expert, Apple lover, and well, a cutie. Say hi on LinkedIn! Oops, something went wrong. We use cookies to create the best online experience.
Check our Cookie Policy for details.
0コメント