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Anyone successfully downgraded a 2018 Mac Mini from Big Sur or Catalina to Mojave to run QM2007?
I know this is pretty darn far off Quicken topics, but the folks here seem damn smart so I'll give it a try. I recently bought an open-box 2018 Mac mini in order to run Mojave for as long as I can. (The latest version of Quicken is still essentially useless for me.) I was hoping it would come with Mojave installed, but alas it came with Big Sur. Trying every suggestion I've found, I've been unable to install Mojave on it. Quick summary of what I've tried. Recovery mode could only find Big Sur. Used softwareupdate —fetch etc to get the latest copy of the Mojave installer. used createinstallmedia (with and without —download assets) to create a bootable installer on a USB stick. FYI, that bootable installer worked fine on my 2012 MacBook Pro to install Mojave on an external disk and run from it. The installer doesn't work on the Mac mini — it boots, the apple logo is displayed and the progress bar eventually goes to the end, and just stays there. It never gets to any splash screen of any kind. I used the same process to make a bootable installer for Catalina and was able to boot and install and run that on a spare partition on the mac mini. I tried repeating the Mojave procedure from within Catalina, to no avail. I noticed the createinstallmedia executable inside the Catalina install package is a lot smaller than the one in the Mojave one, so I tried replacing the Mojave one with the Catalina one, but that didn't work (some library was missing.) The one thing I haven't tried is completely wiping the mac mini before booting the installer, but I don't really want to do that unless it's guaranteed to work! (I don't mind losing whatever's on the machine since there's nothing on it except the OS's, but I don't want to brick it!) One thing I did note in trying to create the Mojave bootable installer with —downloadassets is that one or two packages dealing with the BridgeOS couldn't be downloaded. No problem doing that with the Catalina install (downloadassets went through swimmingly there.)