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When I upgraded to MacOS 12.3 on my M1 iMac, it broke a program that I need. I'm hoping to set up my external SSD to boot to an earlier MacOS. My computer won't let me try Big Sur. Is there a way to download an install program that will install Monterey12.2 or 12.1
(This forum won't let me pick my real device)
iMac Line (2012 and Later)
I'm wanting an old version of Monterey. I looked at those sites yesterday and did not see any download available to install an older version of Monterey. I did find and download one for Big Sur, but was unable to run it from Monterey.
I'm not wanting to downgrade my iMac's main drive, I just want to install an older version of Monterey on my external SSD.
Hi,
I don't know if you download from How to upgrade to macOS Monterey - Apple Support if you'll still get an earlier version or 12.3, but it might be worth a try.
Where can I get an installation file for an earlier version of Monterey.
