Learn how to bind off by watching this helpful knitting video. It is an easy, up close, demonstration by Judy Graham. She is a knitter to the Stars, whose knits have appeared in movies, TV, and concerts for over 30 years and who has been hand knitting for over 50 years.
Remember, that there are also illustrated step-by-step knitting instructions for binding off over
here.
The best way to learn is by having a go yourself. It doesn't really matter what size needles or yarn you have at this stage - it is more about learning the basics.
Why not watch this video a couple of times and then try to follow the step-by-step instructions?
You will be amazed how quickly you will pick it up.