I recently purchased 2011 21.5 iMac (Mid-2011) and I'm obsessed. : r/mac
macOS - Wikipedia
MacOS High Sierra Compatible Macs List | OSXDaily
MacOS Monterey: Is your computer compatible with Apple's new OS? Here's how to find out - CNET
The MacOS Sierra Compatibility List | OSXDaily
Upgrade Mid 2011 iMac 21.5 beyond High Sierra? | MacRumors Forums
How to Know if Your Mac Is Too Old to Update - YouTube
macOS High Sierra Compatible Macs and System Requirements: EveryMac.com
How to upgrade your old MacBook Air laptop to the latest compatible macOS - install a new macOS - YouTube
Mac OS 9 - Wikipedia
Mac OS X Netbook Compatibility Chart | Edible Apple
![Answered]What macOS/OS X Can My Mac Run?](https://iboysoft.com/images/en-news/what-os-can-my-mac-run/summary-what-os-can-my-mac-run.png "Answered]What macOS/OS X Can My Mac Run?")
Answered]What macOS/OS X Can My Mac Run?
Intel Macs can't run Windows 11 without this workaround | AppleInsider
Identify your iMac model - Apple Support
How to upgrade my Mid 2011 iMac to latest OSX | MacRumors Forums
How to Install macOS Catalina on an Unsupported Mac - MacRumors
Identify your iMac model - Apple Support
Vectorworks Operating System Compatibility List - Knowledgebase - Vectorworks Community Board
How to Install macOS Ventura or Sonoma on Unsupported Macs, for Security Improvements - The Mac Security Blog
Identify your iMac model - Apple Support
OS X El Capitan Compatible Macs and System Requirements: EveryMac.com
macOS compatibility: What macOS versions can my Mac run? | Macworld
MacOS Big Sur Compatibility & Supported Macs List | OSXDaily
Adamanta 16GB (2x8GB) Apple Memory Upgrade DDR3L 1600MHz SODIMM Compatible for iMac (Mid 2011, Late 2012, Early/Late 2013, Late 2014, Mid 2015), MacBook Pro (Early/Late 2011, Mid 2012), Mac Mini RAM at Amazon.com
