Hi there
To get broadband setup what you need to do is choose a provider and then sign up with them. You can do all this online.
You can use our postcode checker at
http://www.broadband.co.uk to help you find suppliers in your area.
Our video at
http://www.broadband.co.uk/broadband-video.jsp shows a step through of how to find a broadband supplier.
Hope this helps