The first thing you need to do is download sopcast from here, now run the program and install.

Warning on the install it will try and install a toolbar and change your home page to ask.com, to stop this click custom install and untick the two boxes, then install

Once installed all you have to do is click on a sopcast link and your pc or laptop should try and open the link using sopcast, if it doesnt and asks for a program to open with find sopcast and select.

When you click a sopcast link or run the program , it will ask you to sign in , you do not have to , just click login anonymous