If the file was purchased from iTunes and won't play on a non-Apple device, it is likely protected by FairPlay DRM, meaning it can only be viewed on authorized devices signed into your Apple ID.
The VLC Media Player is a highly recommended free, open-source tool that plays almost any M4V file regardless of your operating system. Managing and Converting the File Vid 20220426 015056 485 m4v
An file is a video container format developed by Apple, very similar to the more common MP4 format. It is often used for content downloaded from the iTunes Store and can sometimes include Digital Rights Management (DRM) protection to prevent unauthorized sharing. How to Open and Play the Video If the file was purchased from iTunes and