First you need a program to download torrents, e.g uTorrent
Heres a link to download it:
http://www.utorrent.com/downloads
Install that and then basically all you need to do is go into google and type something and add torrent to the end of it.
E.g.
"our lady peace torrent"
"a perfect circle torrent"
"pearl jam torrent"
Then you will probably get a list of a load of torrents from different websites, look at the status (usually a bar which is green, yellow or red.... green means its a good torrent, red means its a virus most likely. Also, see how many "seeders" it has, if its not more than 10 try a different link, you need about 20 or more to download it faster, sometimes it will stop downloading (because the seeders are offline most likely) but just leave it for a few hours and it should download within 24 hours, I usually download about 4GB in 24-30 hours. So check your internet speed, and the size of the files you want.
AHHH, also you might want to download WinRAR, heres a link
http://www.freedownloadscenter.com/Utilities/Compression_and_Zip_File_Utilities/WinRAR_Download.html
Some torrent files will be in RAR format, which basically compresses the files into a smaller file making the download process faster, when you download an RAR file you need to open it using WinRAR, sometimes you might need a password, but the torrent should come with a password.