My iMac's specification
I have a Late 2012 , 21.5" iMac .
Wonder if I need to replace it with a new one ?
Using: Saving Documents , Photos App , Safari .
I don't know if a new / Next macOS ver will be compatible ?
Any advice will be appreciated .
Thanks .
Present iMac :
iMac, macOS Mojave (10.14.1)