just windows movie maker.
How to use windows movie maker?
If u want to get high quality video for youtube,
U can save the video as AVI on Windows Movie Maker.
Then convert to high quality flv video with E.M. Youtube Video Download Tool.
At last, upload the flv video to youtube.
How to save video as avi or wmv for uploading to youtube on Windows movie maker?
It works very great and easy to use.
It can convert flv video to any audio include mp3, wma,wav,ac3,mmf,amr,ogg,aac..., to any video formats include 3gp,avi,wmv, mpg,mpg4,asf,swf,h264,mov,jpg, that can be supported by PSP,iPod,iPhone,Apple TV video,iTune,mp3,mp4,Zune,Cellphone,Digit... camera,DV,CD/DVD/VCD/SVCD.