M4V is a video container format developed by Apple that is very similar to MP4 but often includes DRM copy protection . Because of these restrictions, downloading and playing "final" M4V files can sometimes be tricky outside of the Apple ecosystem.
Use QuickTime Player or iTunes, which are the native applications for this format. Download final m4v
If the file is unprotected , you can use the VLC media player , which is a free, cross-platform tool that supports most M4V streams. M4V is a video container format developed by
If your device doesn't support M4V, you can convert it to the more universal format: What Are M4V Files? | M4V Format Explained - Adobe which is a free