The simplest way is through your aerial, with a set-top box, or a TV with a box built-in, for the basic Freeview service of up to 30 channels.

Set-top boxes cost around £50, although you may need to upgrade your aerial to get the best reception.

Sky also offers over 120 free channels through a satellite dish, for a one-off £150 payment. The BBC and ITV are developing a rival Freesat service.