Install
U-Torrent, and then go to this
page and click on "Download this torrent", under the big green button.
Sit back and it will arrive, bit by bit, until it's all done. About 1.3Gb, so will take a while. You can then play it on your PC, or perhaps your TV if you have HDMI leads and ports. The file is not DRM protected, unlike the BBCI-player, so you can keep it for posterity.