If you can't pick up Freeview with the TV or a Freeview set top box then that suggests that you have an aerial problem or you are in an area with poor or no Freeview coverage.
In order to receive Freeview you need a good outdoor aerail correctly aligned.
You can check whether you should be able to receive Freeview and get some tips on aerials here.
www.freeview.co.uk/home
t
August 2008