Gaby asked:
I’ve found so many softwares for Windows that remove DRM from m4v files but the only ones for Mac only remove DRM from audio. Help please!
I’ve found so many softwares for Windows that remove DRM from m4v files but the only ones for Mac only remove DRM from audio. Help please!

You might have to find a capture card and use analog capture to re-record the video to a DRM free file. You would have to get the video and audio output to go to a capture card and you should have to have a program capture the video and audio. You might have to convert the file if it is very large.
You can try the best DRM remover software for Mac which could legally remove any DRM WMV/WMA/M4P/M4V/M4A/M4B/ASF protection and convert iTunes video, music, movie and other popular video & audio even HD video. With this powerful DRM remover, you can customizable output profiles with your own style.
Also, you can search some other ones: