Macs Able to Run macOS Sierra Remain Compatible With High Sierra - MacRumors
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Installing High Sierra on an Unsupported Mac - Mac Optimization Software Reviews
Apple Macbook pro mid 2009 120gb ssd 4gb ram MacOS High Sierra for Sale in Lowell, MA - OfferUp
Identify your MacBook Pro model - Apple Support
Apple MacBook Pro (13-inch, mid-2009) 2.26 GHz Intel, 250GB SSD, 8GB RAM -Works | eBay
MacOS High Sierra Compatible Macs List | OSXDaily
Identify your MacBook Air model - Apple Support
Apple MacBook Pro (13-inch, Mid 2009) Intel Core 2 Duo 2.26 Ghz * GOOD LAPTOP * | eBay
MacBook Pro 2009 Upgrade Series PT.1 High Sierra Install - YouTube
Apple Macbook pro mid 2009 120gb ssd 4gb ram MacOS High Sierra for Sale in Lowell, MA - OfferUp
The MacOS Sierra Compatibility List | OSXDaily
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Late 2008 Unibody aluminum MacBook runs High Sierra decently | MacRumors Forums
15″ MacBook Pro (Mid 2009) | Low End Mac
macOS High Sierra (10.13) Unsupported Macs Thread | MacRumors Forums
What system software can my Mac run? – JimmyTech
Mac Medic Utility Bootable USB Flash Drive for Macbook Pro - Etsy
