My current iMac is a late 2013 and will not upgrade beyond macOS Catalina.
I have serviced my Mac a couple of times and it still works extremely well. Before I go purchase another computer, I want to see if there is a patch that can be used to upgrade to the latest OS or at least to a OS that...
Regarding the CTO 27" 2010 iMac with 2.93 GHz i7 processor, I attempted booting a machine of this model with a patched version of macOS 10.14 Mojave and succeeded, but true to warnings on the patch publisher's web page (dosdude1.com) video and other performance proved to be woefully inadequate...