Considering this isn’t your mac in question, what prompted you to ask? Is she having any issues with her current Mac? Upgradability very much depends on the user, someone who uses it for heavier workflows will probably need to upgrade sooner then someone who uses it for basic web browsing.
As long as it’s doing what she needs it to, then she won’t need the upgrade. She also won’t appreciate an upgrade as much if she’s already happy with her current set up. My mom used an iPad 5th gen as her only computer, I finally got her a 9th gen for Christmas but she would have gotten by for another year or two no problem, just how light her use case is.
As long as it’s doing what she needs it to, then she won’t need the upgrade. She also won’t appreciate an upgrade as much if she’s already happy with her current set up. My mom used an iPad 5th gen as her only computer, I finally got her a 9th gen for Christmas but she would have gotten by for another year or two no problem, just how light her use case is.