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Does anyone know where I can get the basic software version of Mohave 10.14.0?
I have Mojave 10.14.01 on a USB thumb drive, but when I try to install it - the OS fails the install because the original is not on my iMac. Appreciate any help, trick I can use to install this OS. Thanks. jn
[Re-Titled by Moderator]
iMac 27″, macOS 10.15
1. Start up from macOS Recovery
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard. Command-R is generally recommended, especially if you never installed macOS Sierra 10.12.4 or later… How to reinstall macOS - Apple Support
Command (⌘)-R
Install the latest macOS that was installed on your Mac.
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.
2. Decide whether to erase (format) your disk
If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue. You probably don't need to erase, unless you're selling or giving away your Mac or have an issue that requires you to erase. Learn more about when and how to erase.
3. Install macOS
After starting up from macOS Recovery, follow these steps to install macOS:
If your Mac restarts to a setup assistant, but you're selling or giving it away, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
If you never installed macOS Sierra 10.12.4
If macOS Sierra 10.12.4 or later was never installed on your Mac, macOS Recovery works differently:
How to reinstall macOS - Apple Support
Well, if it will work at all you would have to create a Mojave bootable installer, boot your Mac from that and choose the partition…
Create a bootable installer for macOS - Apple Support
However, if I remember correctly, you would have to erase your drive, install Mojave, then install Catalina on the second partition.
What you can't do is run the Mojave installer from Catalina.
You need the full installer. You can get it here: How to download macOS - Apple Support
Thanks, dialabrain. Download in progress. I was running two OS, before getting hacked - Mojave and Catalina. Mojave, because of a few 32 bit apps. I could switch the OS's by selecting the Start Up Drive and reboot.
I'm working on Catalina now and have partitioned the HD - How do I direct the Mojave OS to the second partition?
Appreciate the help. jn
dialabrain - after download, got the message that the "install macOS" application is too old to be opened on this version of macOS.
Someone in a past question about this - had me change the date on the installer - but have forgotten how to do that. It seemed simple and worked with Mojave and Catalina for months, if not years. jn
As dialabrain has you covered, I just toss in that you have a combo Updater not the full upgrade.
+1 A fine addendum. 😎
Thanks, BDAqua. I seem to remember the "combo Updater" when I did this before. Hacked a month ago and trying to restore all my systems - was running two OS's - Mojave and Catalina.
Thanks again. jn
I do have a bootable installer and it worked before, no problem. I can always reload Catalina after Mojave upload. Just don't remember how I changed the installer date to get it to work. Thanks. jn
FWIW, I never had to change any date. I booted the USB installer by pressing the power button on my iMac and immediately holding the option key until the Apple logo and progress bar started.
Where I can get the basic software version of Mojave 10.14.0?
