macOS High Sierra on MacBook late 2009 White - YouTube
How to Install macOS High Sierra on an Unsupported Mac - YouTube
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse
Here are the Macs that can Run macOS High Sierra - The Mac Observer
Apple iMac 3.06GHz Core 2 Duo 4GB DDR3 500GB HDD High Sierra NVIDIA GeForce 9400 | eBay
Late 2009 iMac - Should You Upgrade to High Sierra? | All Apple All Day
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
Identify your iMac model - Apple Support
How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
iMac (Early 2009) | Low End Mac
Apple iMac 27″ Late 2009 Core i5 2.66GHz 4GB 1TB DVDCDRW Wifi macOS 10.13 High Sierra – Refresh Computers Online Marketplace
How to Install macOS High Sierra - iFixit Repair Guide
MacOS High Sierra Compatible Macs List | OSXDaily
macOS High Sierra (10.13) Unsupported Macs Thread | Page 6 | MacRumors Forums
SOLVED: Upgrade OS to High Sierra? - iMac Intel 20" EMC 2316 (Edu) - iFixit
