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I have an iMac 27" 2020, right now the software is macOS Catalina. I need to update the software to macOS version 12. But when going to do this normally it says my mac is up-to-date. I am a photographer and I need to download adobe lightroom but the macOS version installed isn't new enough. Doing my research my computer should support the version 12 software update but I am just struggling with how to do it. Any advice would be greatly appreciated.
iMac 27″
You can get it here: How to download and install macOS - Apple Support
You can get it here: How to download and install macOS - Apple Support
AbbieIronside wrote:
I have an iMac 27" 2020, right now the software is macOS Catalina. I need to update the software to macOS version 12. But when going to do this normally it says my mac is up-to-date. I am a photographer and I need to download adobe lightroom but the macOS version installed isn't new enough.
Adobe - Creative Cloud system requirements
Right now, the minimum version of macOS for running PS, LR, and LRC is Big Sur. I suspect that Adobe will change the requirement to Monterey in the fairly near future.
Adobe currently recommends
It is not clear why there is a difference, especially since Adobe bundles PS, LR, and LRC in some Photography Plans.
Adobe – Can I run my Adobe apps on macOS 14 Sonoma?
Adobe claims that there are versions of PS, LR, and LRC that are compatible with Sonoma. It appears that they are still working on many other apps.
With a little research find details of which exact build year model
is your iMac 27-in. computer. Option/variables, listed separately.
(For Apple system upgrades, use Safari even in outdated macOS.)
Lookup Mac Specs By Serial Number, Order, Model & EMC Number, Model ID @ EveryMac.com
https://everymac.com/ultimate-mac-lookup/
For good free reference, for most things Apple; download app here:
Mactracker - Get Info/Download
You may be able to get and use fast external drive to run other macOS
systems from there ~ then you won't need to have internal upgrades.
https://duckduckgo.com/?t=ftsa&q=owc+upgrade+imac&ia=web
[See OWC Envoy; among some others, from macsales site.]
Upgrades Guaranteed to work with your Mac (iMac 27-in)
https://eshop.macsales.com/upgrades/imac20-2 (examples)
AbbieIronside wrote:
Hi, thank you for your message. I have tried this but it just says update can't be found. Why would this be? Thanks Abbie
What Web browser are you using? If it's not Safari, change your default browser to Safari. Then launch Safari. Use it to access the Apple Support article and the link for the version of macOS you want to install.
Background:
When I was upgrading an older Mac to High Safari, and I was using Firefox as my browser, I got very misleading error messages claiming (falsely) that the item I requested was not available in the U.S. App Store. Temporarily changing my default browser to Safari, and using Safari to access the Support article, got around the problem.
Apparently there is some sort of "magic handshake" that goes on between Safari and the App Store when you click on one of the App Store links for an old version of macOS. Firefox did not know how to do the handshake. The App Store didn't know how to return correct, useful error text. Result: a perfect storm.
Try while in Safe Mode.
Just to add, a 2020 iMac can support the latest version of macOS, Sonoma.
Hi, thank you for your message. I have tried this but it just says update can't be found. Why would this be? Thanks Abbie
tried that too but no luck. It just says the version is unavailable
Hmmm. Are you certain you have a 2020 iMac and you didn't just buy it in 2020?
I bought it just last week. It says its a Apple 27" iMac 2020. Is there a way you can check for certain that it's that model ?
If that's what it says in "About This Mac" under the Apple menu, that's what it is. It has to be used or refurbished. Where did you buy it?
Updating my macOS verison on my iMac.
