For all of the ten people that care, I installed High Sierra On a mid 2009 MacBook Pro : r/mac
IMac 21.5-inch Late 2009 - Mac OS High Sierra 10.13.6, Intel Core 2 Duo, 4 GB DDR3 RAM, 500 GB HDD, Nvidia GeForce 9400 256 MB VRAM
macOS High Sierra on MacBook late 2009 White - YouTube
macOS High Sierra vs macOS Sierra: Should you upgrade to High Sierra? | Macworld
How to Install macOS High Sierra - iFixit Repair Guide
macOS High Sierra now available as a free update - Apple
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB Mac OS High Sierra w/ Keyboard & Mouse - GRADE B
Apple macOS 'High Sierra' Available to Download September 25
2 TB Apple Hard Drive iMac 2009 2010 2011 Mac Pro High Sierra Plug and Play | eBay
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
macOS High Sierra review: A radical new foundation for your Mac | iMore
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
Late 2009 iMac - Should You Upgrade to High Sierra? | All Apple All Day
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
How to install macOS High Sierra on a Unsupported Mac (iMac 7,1 2007 Model) - YouTube
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
Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
macOS High Sierra - Wikipedia
