if its just a typing / browsing machine where you also store your pictures and so on, then you can easily have it 5 years, maybe more!
(asuming you switch the battery etc later)
But i think you'll want to upgrade the hardware more often if you're video editing or playing games etc
(asuming you switch the battery etc later)
But i think you'll want to upgrade the hardware more often if you're video editing or playing games etc