The primal way to convert M4V file to WMV is using Joyoshare Video Converter, which is specialized in converting videos to almost all formats, like FLV, MOV, MP4, MKV, M4V, DV, MPEG, WebM, 3GP, ASF, OGV, TS, etc. With this lossless video converter, you can convert batch videos with 100% original quality and high-speed conversion. Then you can transfer the converted video to compatible devices, like iPhone, Apple TV, iPad, LG TV, and so on.
Apart from converting video, this software is also doable to edit videos and rip DVDs. You can use the built-in video editor to trim, crop, add watermarks, take snapshots, adjust audios, and more. If you have many DVDs and want to convert them to digital video format, this program can help you rip DVD with or without protections in 150+ formats.
Key Feature of Joyoshare Video Converter:
Convert M4V to MOV, WMV, and more formats losslessly
Can preview video and edit video
Output video with high speed and lossless quality
Support iPhone, iPad, Xbox, HTC, BlackBerry, and other devices