Due to the FairPlay DRM protection, it is not possible to edit iTunes DRM M4V movies, TV shows directly. Thanks to the third-party software DRmare M4V Converter. Editing iTunes movies has never been easier on Windows/Mac computers. You can cut iTunes M4V, crop iTunes video clips, add a watermark, change subtitle, add effects, change audio and so on. Now you can watch the quick video tutorial to find out how it works.
Source: https://www.drmare.com/edit-itunes-video/edit-itunes-m4v-on-mac-windows.html
Product: https://www.drmare.com/m4v-converter-for-win
Home: https://www.drmare.com/
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