Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Identify your iMac model - Apple Support
See which Macs will -- and won't -- work with MacOS - CNET
Apple updates iMac and MacBook lines, launches MacOS High Sierra: Digital Photography Review
For all of the ten people that care, I installed High Sierra On a mid 2009 MacBook Pro : r/mac
Apple Imac 20" Early 2009 A1224 Intel Core 2 2.66ghz 4gb Ram High Sierra & More | eBay
10 Things You Need to Know About macOS Sierra | PCMag
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
Apple macOS Sierra: how about that compatibility list? | Mac mini, Latest macbook air, Apple
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
iMac 24" 2.66GHz (Early 2009)* | mac of all trades
Apple iMac 21.5-inch 3.06GHz Core 2 Duo (Late 2009) MB950LL/A | mac of all trades
macOS Sierra | Low End Mac
SOLVED: Upgrade OS to High Sierra? - iMac Intel 20" EMC 2316 (Edu) - iFixit
Preparing a 2009 MacBook for macOS Sierra - YouTube
Using an iMac as a Monitor Is More Complicated Than You Might Think
iMac 2009 21.5” Core 2 Duo 3.06GHz 4GB RAM 250GB HDD High Sierra FHD GeForce | eBay
Apple iMac A1224 Mid 2009 20in 2.26GHz 2GB DDR3 RAM 250GB HDD EL-CAPITAN 618996989331 | eBay
