OS X El Capitan - Wikipedia
macos - Which OS can you load on an iMac G4? - Super User
Which macOS Is Compatible For Which Mac -Apple Expert Support
macOS High Sierra: The new features and updates that matter most | Macworld
Backlit Bluetooth Keyboard Pro for Mac Jellycomb K62BA-3 – Jelly Comb
Run Windows on Mac - Parallels Desktop 18 Virtual Machine for Mac
How to Install macOS Monterey on Unsupported Macs, for Security Improvements - The Mac Security Blog
iMac 27-Inch "Core i5" 2.7 (Mid-2011) Specs (Mid-2011, MC813LL/A, iMac12,2, A1312, 2429): EveryMac.com
Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me.
How to Install macOS Catalina on an Unsupported Mac - MacRumors
Identify your iMac model - Apple Support
Identify your iMac model - Apple Support
Apple iMac 27" All-In-One Computer, Intel Core i5, 4GB RAM, 1TB HD, DVD Writer, Mac OS X 10.7 Lion, MC813LL/A - Walmart.com
Apple iMac 21.5” 2013 - Intel i5@2.4GHz|8GB RAM|1TB HDD|Mac OS Catalin – Work At-Home Equipment Solutions
Identify your iMac model - Apple Support
Amazon.com: Apple iMac 21.5in 2.7GHz Core i5 (ME086LL/A) All In One Desktop, 8GB Memory, 1TB Hard Drive, Mac OS X Mountain Lion (Renewed) : Electronics
Mac OS X Leopard - Wikipedia
How to Install macOS Monterey on Unsupported Macs, for Security Improvements - The Mac Security Blog
Identify your iMac model - Apple Support
Use your iMac as a display with target display mode - Apple Support
macOS compatibility checker: What macOS Can My Mac run? | Macworld
MacOS Mojave Compatible Macs List | OSXDaily
macOS Monterey will drop support for older MacBook Pro and Air models | Engadget
Identify your iMac model - Apple Support
