Upgrade iMac late 2015 OS?
I have an excellent late 2015 27” iMac i5 64GB RAM 120SSD 2T HDD.running Monterey 12.7.6. I need to upgrade the OS to use several necessary apps but apparently it is not compatible to upgrades. Is there any way to “tweak” it to upgrade? If not, I’ll have to replace it.
Earlier displays & monitors