How can we convert mp4 to m4v free

https://bit.ly/2LEUvnU Enter to see secret sale page at M4vgear.
http://www.apowersoft.com/convert-mp4-to-m4v.html File types readable in Apple devices are very limited known including .mp4, mov and .m4v. Commonly, mp4 is a type that can be well accepted by Apple devices but since m4v is protected with DRM encryption, converting mp4 content to m4v will greatly secure the content on public platform.