A First Look At Apple's macOS Sierra
The MacOS Sierra Compatibility List | OSXDaily
macOS 10.12 Sierra Unsupported Macs Thread | MacRumors Forums
250GB SSD For Apple Macbook Pro 2009 2010 2011 2012 El Capitan High Sierra | eBay
500GB SSD SOLID STATE DRIVE 2.5" OS High Sierra|Mac Mini|MacBook Pro 2009-2012 | eBay
Anything that can run macOS Sierra can also run macOS High Sierra | Ars Technica
macOS Sierra on MacBook late 2009 - YouTube
Siri, Apple Watch unlocking, and more comes with macOS Sierra on Sept 20th | Ars Technica
It's old as heck but still kicking! Mid 2009 MacBook Pro (MacBook Pro 5,5) I'm hoping to use opencore legacy patcher to install Monterey on it. : r/ macbookpro
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
macOS Sierra | Low End Mac
macOS Sierra Patch Tool
macOS High Sierra now available as a free update - Apple
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Preparing a 2009 MacBook for macOS Sierra - YouTube
The MacOS Sierra Compatibility List | OSXDaily
macOS High Sierra on MacBook late 2009 White - YouTube
Identify your MacBook model - Apple Support
Identify your MacBook Pro model - Apple Support
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
