u should have it from your office packet if not try www.download.com and type the name just to admit: my girlfriend broke with me before 2-3 hours so if i've wrote shits don't blame me...
yeah mm is an easy program with a big potential for making clips even it's not professional...just an example http://uk.youtube.com/watch?v=ViMLJtzwG60 this is my friend's vid and the quality isn't good because the youtube but...just enjoy and i suggest you movie maker for your first vid cheers!