He is correct though.. It's not as if you buy a car then stop at every street corner and ask questions like (why does my oil light come on.. why does my clutch slip.. how do I engage the parking brake...etc...)
If it's a new PC and new OS then you need to take it slow and easy,
google windows 7 tutorials and go through step by step.. Don't just go to one of the sites but many of them as they all teach you something slightly different..
One place to start might be to search for
windows 7 power tutorials
---------- Post added at 09:36 ---------- Previous post was at 09:27 ----------
Failing that there's lots of courses done by local trainers based at getting the elderly more familiar with their PC's. Check your local papers, ask at the council offices or pop to the library but more important try to get a one on one session where you can take your own laptop and go through your own set-up instead of learning on one and trying to implement it on another