Second vote for Windows Movie Maker. Its basic but very easy to pick up. There are many tutorials on the web. I edited and published my first ever video, with zip, nil, nada, previous experience in a couple of hours.
"Elite: Dangerous PvE" was created using assets and imagery from Elite: Dangerous, with the permission of Frontier Developments plc, for non-commercial purposes. It is not endorsed by nor reflects the views or opinions of Frontier Developments and no employee of Frontier Developments was involved in the making of it.