27" iMac late 2015, 1TB SSD drive, 16GB ram, 2 TB time machine. latest version of OS?
Hello Mac Guru's The spec's of my iMac are in the title, and I'm running on Monterrey V 12.7.6. I've started getting the dreaded "this software will shortly be unsupported" pop up, and as far as Apple Support are concerned this is the latest available version of macOS my machine will run. I haven't encountered any apps that won't run, and only MS 365 won't u