Thanks both
I want all the sandbox and suchlike stuff to be there but completely behind the scenes.
My ideal solution would be something that just asks 'which of these describes the way you usually use your computer?' and then just automatically sets up the whole set of tools in the background based on that single choice.
That's why I'm veering towards paid options like Kaspersky and yes, Norton.
He won't be downloading anything much really, but I don't think he'll be a safe surfer, he's almost never used the internet before and I just don't think he'll get concepts like phishing and firewalls. So that's why I just want a set it up once, using zero tech speak, and forget it option.
He'll be using Win7.