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Photoshop & Lightroom iMac (21.5-inch, Mid 2011) running macOS High Sierra 10.13.6

New Here ,
Nov 21, 2020 Nov 21, 2020

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Hello! I have an iMac (21.5-inch, Mid 2011) 2.5 GHz Intel Core i5, Memory 16 GB 1333 MHz DDR3, Graphics AMD Radeon HD 6750M 512 MB, running macOS High sierra 10.13.6. When I download the Photoshop installer or the Lightroom installer from my Adobe Creative Cloud account I get this message "Sorry, you'll need to upgrade your OS to run the newest version of Lightroom." When I check the minimum system requirements, the only thing that my iMac lacks is the 1GB GPU with Metal support. Does that mean I can't run Lightroom or Photoshop on my machine? Is there any solution?

Thanks!

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Download and install, How to, Mac, Problem or error

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Adobe Community Professional ,
Nov 22, 2020 Nov 22, 2020

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The minimum requirements are now 10.14 and above as Adobe no longer support anything below this: https://helpx.adobe.com/lightroom-cc/system-requirements.html

 

 

 

 

 

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New Here ,
Nov 22, 2020 Nov 22, 2020

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Is there a way to install an older version of Photoshop or Lightrrom? And how to know which version supports my Mac?

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Adobe Community Professional ,
Nov 22, 2020 Nov 22, 2020

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You can do this via the Creative Cloud App but selecting Other Versions via the (I think) three dot menu.

 

Photoshop 21 and Lightroom 3.4 should still work I believe.

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New Here ,
Nov 22, 2020 Nov 22, 2020

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Thank you!

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New Here ,
Nov 13, 2021 Nov 13, 2021

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Sorry to jump onto your discussion here but it's related as it came up in search.

 

I'm running Lightroom and Photoshop (not cloud version) on a MacBook Air on Catalina. My catalogue and photos are all on an external drive. I want to be able to use my Mac Mini to get the benefits of a proper monitor. My problem is that my Mac Mini is stable on High Sierra and I want to leave it on that OS. It says it will only install Classic. Am I going to run into problems if I move backwards and forwards between computers? If so, I'll just have to climb under my desk every time I want to do some proper editing so that I can plug the monitor into my MacBook Air. Thanks!

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New Here ,
Nov 15, 2021 Nov 15, 2021

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Unfortunately, I don't have an answer to that. I hope you find an answer.

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