Early 2009 duo core (square mac) now running High Sierra patch from Dosdude1 flawlessly. : r/mac
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
macOS Sierra on MacBook late 2009 - YouTube
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
10 Things You Need to Know About macOS Sierra | PCMag
Apple rolls out macOS Sierra 10.12.6 for MacBook and iMac users - Gizbot News
System Requirements for macOS Sierra
MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
macOS Sierra: macOS Sierra: Frequently Asked Questions
Install Sierra on Early 2009 Mac Pro - Apple Community
Identify your MacBook Pro model - Apple Support
A First Look At Apple's macOS Sierra
Preparing a 2009 MacBook for macOS Sierra - YouTube
The MacOS Sierra Compatibility List | OSXDaily
Siri, Apple Watch unlocking, and more comes with macOS Sierra on Sept 20th | Ars Technica
Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
MacOS Sierra: top five things you need to know about Apple's new Mac software | Apple | The Guardian
Apple macOS Sierra: how about that compatibility list? (2023)
How well does MacOS High Sierra run on an unsupported Mac? - YouTube
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
macOS Sierra | Low End Mac
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Amazon.com: 6-in-1 USB Installer for MacOS. El Capitan High Sierra Mojave Catalina Big Sur and Monterey : Everything Else
Apple macOS Sierra 10.12.6 13 in. Late 2009 8 GB 255 MB w/charger See* | eBay
macOS High Sierra now available as a free update - Apple
