You may have Windows Movie Maker on your machine. My Microsoft XP came with it and that is what I use for editing. It is pretty easy to use.
: : I figured out youtube already. I have Flash, but is there a way to edit the video?
: With Youtube? I don't know. I never ever uploaded anything to Youtube. Probably because I never created a video worth mentioning.
: : Parts of it I would like to cut and join the videos. Or the sound.
: I suppose you need some video editing software on your computer. Sorry, I don't know much about videos. There are lots of people here on the forum experienced with videos, however.