Apple iMac 27″ Late 2009 Core i7 2.8GHz 8GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
How to upgrade to macOS High Sierra the right way | Cult of Mac
macOS High Sierra now available as a free update - Apple
iMac 27" 2.8GHz (Late 2009) | mac of all trades
How to get macOS High Sierra
How to Install macOS High Sierra on an Unsupported Mac - YouTube
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
For all of the ten people that care, I installed High Sierra On a mid 2009 MacBook Pro : r/mac
MacOS High Sierra – Worry Free Upgrade For Your Mac
How to Install macOS High Sierra - iFixit Repair Guide
How to install macOS High Sierra on a Unsupported Mac (iMac 7,1 2007 Model) - YouTube
macOS High Sierra - Wikipedia
Apple 2010 2011 iMac 1TB Hard Drive MacOS 10.13 High Sierra 7200 RPM | eBay
Hard Drive for iMac Late 2009-2011 ONLY 640GB, Preloaded with High Sierra 10.13 | eBay
21.5” iMac Late 2009 Model - 16gb Ram / 500gb HDD - Desktop Computers | Facebook Marketplace | Facebook
The MacOS Sierra Compatibility List | OSXDaily
Apple iMac 21.5-inch Late 2009 3.06GHz Intel Core 2 Duo (MB950LL/A) – UNICOM, Inc.
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB Mac OS High Sierra w/ Keyboard & Mouse - GRADE B
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
MacOS High Sierra Compatible Macs List | OSXDaily
How to Install macOS High Sierra - iFixit Repair Guide
