 አንድ የተጠበቀ M4V ፋይል ለመጫወት, ኮምፒውተሩ ቪዲዮውን ለመግዛት ያገለገለውን መለያ ጋር (iTunes በመጠቀም) ፈቃድ ያስፈልገዋል.
To play a protected M4V file, your computer must be authorized using iTunes with the account that was used to purchase the video.