You first need to convert the file to DVD Format and then you can burn it to DVD straight. Here is a freeware program that will convert the avi file to DVD. VSO DivXtoDVD (It does not only do Divx it does many more) http://www.afterdawn.com/software/video_software/video_encoders/vso_divxtodvd_free.cfm Then after you convert it you can use a DVD burning program like Nero or CloneDVD 2 to burn it to disc.