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To what OS can I upgrade the following MacBook Pro 17" serial no. W891104B7AP ?

what OS can I upgrade this old Macbook Pro to?

MacBook Pro 17″, OS X 10.10

Posted on Dec 8, 2020 9:09 AM

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Posted on Dec 8, 2020 10:16 AM

Back up your data, check your applications for compatibility, and download El Capitan. That's an early 2009 model and not capable of Sierra or above.

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