PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
How to Install macOS Sonoma on Unsupported Macs, for Security Improvements - The Mac Security Blog
macOS Sonoma drops support for another wide swath of Intel Macs | Ars Technica
OpenCore Legacy Patcher
MacBook Pro - Wikipedia
Intel Macs can't run Windows 11 without this workaround | AppleInsider
Upgrade to latest OS on Macbook Pro Mid 2009 | MacRumors Forums
macOS compatibility: What macOS versions can my Mac run? | Macworld
MacOS High Sierra Compatible Macs List | OSXDaily
Apple MacBook Pro 13” Mid 2009, 8GB RAM, 1TB HDD, OS X Yosemite | eBay
MacBook Pro MB986LL A | Core 2 Duo 2.8 GHz | 15 Inch | Mid 2009 - Techable.com
MacBook Pro mid-2009 ... please help me pimp it up!! | MacRumors Forums
How well does MacOS High Sierra run on an unsupported Mac? - YouTube
Macbook Air 13" (13/14) with SSD VS Macbook Pro mid 2009 - Is it faster | MacRumors Forums
Identify your Mac Pro model - Apple Support
MacBook Pro | Core 2 Duo 3.06 GHz | 17 Inch | Mid 2009 - Techable.com
MacBook Pro (13-inch, Mid 2009) Core 2 Duo|4GB|250GBHB
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