The MacOS Sierra Compatibility List | OSXDaily
OpenCore Legacy Patcher
iMac "Core 2 Duo" 2.26 20" (Mid-2009) Specs (Mid-2009 (Edu), MC015LL/B*, iMac9,1, A1224, 2316): EveryMac.com
Latest macOS compatibility chart : r/MacOS
macOS 10.14 Mojave Drops Support for Many Older Machines - MacRumors
The MacOS Sierra Compatibility List | OSXDaily
:max_bytes(150000):strip_icc()/DefaultDesktopSierra-577e96125f9b5858751c6d42.jpg "The Minimum Requirements for Running macOS Sierra")
The Minimum Requirements for Running macOS Sierra
OS X Yosemite System Requirements & Compatible Macs List | OSXDaily
Is it possible for this old Mac to be updated? : r/MacOS
Apple iMac 20-inch 2.0GHz Core 2 Duo (Mid 2009) MC015LL/A | mac of all trades
iMac-Modell bestimmen - Apple Support (DE)
MacOS High Sierra Compatible Macs List | OSXDaily
Use your iMac as a display with target display mode - Apple Support
macOS compatibility: What macOS versions can my Mac run? | Macworld
iMac 24" 2.93GHz (Early 2009) | mac of all trades
iMac (Early 2009) | Low End Mac
iMac-Modell bestimmen - Apple Support (DE)
How to Install macOS Catalina on an Unsupported Mac - MacRumors
Amazon.com: OWC 2.0TB HDD Upgrade Kit Compatible With 2009-2010 iMacs, Includes: Thermal Sensor, Tools, 2.0TB Hard Drive : Electronics
Can 2009 iMac be Upgraded? - OurDeal.co.uk
iMac-Modell bestimmen - Apple Support (DE)
Pin on Apple MacOS
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
Running Monterey on a 10 year old iMac. Open core is a life saver. 😠: r/MacOS
What to Do if Your Mac Can't Run macOS Sierra - The Mac Security Blog
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
