> How can I set a function key, say,F12, to start a certain
> executable program?
It tells you in your help files: Start, Help, search for
"keyboard shortcuts"
>I would like an email reply, please.
I'd be glad to discuss my fees by email. Do you have a Paypal
account?
> Secondly, how can you find out what function the other
> function keys are supposed to do besides just pressing
> them and hoping you can see a reaction, which you often
> can't.
Depends on the program, check the help files (usually F1 brings
up topical help).