Go to http://www.utorrent.com/ and click "Get utorrent"
Then click "Free Download"
Once you have downloaded the file, install the program.
when installing make sure you read each part properly as it will try and get you to install a few programs, make sure you unclick them as you dont want any of them.
Utorrent just downloads the files, you need to visit a website to find the ".torrent" file which has all the download information.
We will use www.kickass.to for this.
you dont need to register for this site and if it is just movies or tv shows you want to download then 99% are real and wont give you any trouble.
lets go to this url for a start - http://kickass.to/vikingdom-2013-720p-brrip-x264-yify-t8441492.html
up the top left hand corner will be a button "Download Torrent" once you click that make sure the file opens up with "Utorrent" and it will be added to your downloads in utorrent.