how can i change windows movie maker project into another format on a windows vista?

Romina asked:


i’m using a windows vista and whenever i save a video on windows movie maker it doesn’t allow me to save it as anything else except .WMMV and i also tried to convert it through Movavi Video Converter but it just says “file not found”
booooo :[ i really wanna upload it on youtube

can anyone help me?

movavi video