How to upgrade my late 2013 iMac 27”?

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I have an iMac 2013 27” that I’m going to replace the hdd with an ssd. I plan on starting over from new and downloading a new fresh copy of the operating system and a new iCloud. Currently I can’t do any more updates unless I download a program first that will allow me to do the updates.

My question is what do I have to replace besides the hard drive for apple to think this is a newer unit and will continue to allow me to update without additional software.

The computer works just fine. I have a newer 27 as well and, other than one being ssd, and able to get updates. they are both equal in my opinion.

Thank you

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Posted: 1 year ago
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