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Is it worth upgrading (or can you upgrade) beyo...

Is it worth upgrading (or can you upgrade) beyond Yosemite 10.10.5 on a 2007 Mac?   High Sierra specifying 2009 or later models.  And no other OS upgrade option now showing in the App Store.

A mid 2007 iMac can be upgraded to El Capitan:

get El Capitan from the App Store

Generally speaking, you should always upgrade to the latest possible system that you meet the specs for, as long as you have no “must have” apps that do not meet the specs. Upgrades and updates contain important security improvements plus additional features.

You can get to El Capitan: How to download OS X El Capitan - Apple Support

最后更新：2017-10-01 00:09:07

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