How do you change your format for a video on Windows Movie Maker? (vista user)?

I'm having a problem uploading videos onto youtube and found out that i have to change my format for the video.

How do i do that?

(i'm a windows vista user and still new to it.

Yeah it's very annoying. )



Can someone please help me?!How do you change your format for a video on Windows Movie Maker? (vista user)?download any video converter... change the video file into FLV. dont worry its free

http://www.any-video-converter.com/any-v鈥?/a>