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2007 imac. what OS can I run on this? 4GB ram.

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El capitan is on it now and works well. would sierra or high sierra be ok on this mac?
 

pigoo3

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Your Mac's Specs
2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
If this is definitely a 2007 iMac...it can run OS 10.4.10 (Tiger) to 10.11 (El Capitan).

- Nick
 
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