M4V to DVD converter is currently one of the best conversion software to convert M4V and more video formats like 3GP, AVI, VOB, MP4, MPG to DVD with no quality loss.
Guide: Teach you how to convert M4V to DVD step by step
Firstly: Free download M4V to DVD Converter, install and launch it:
Secondly: Then you need to add M4V video files by clicking 
button.
When these videos you want to convert are loaded, you can see:
Two red circles represents information you can modify:
The first one is Resize Method to adjust the video image.
The second one is to choose the destination folder.
Thirdly, you should press 
button to convert M4V to DVD:
After successfully converting wmv to iphone on Mac OS X. The converted files shall be stored in the folder you have previously defaulted.
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