software piracy

The act of illegally copying and distributing commercial software. Software piracy can range from simply letting a friend "borrow" a CD-ROM to actually selling pirated software and passing it off as genuine.

Software companies employ various methods to fight piracy, including product activation and CD keys.

My friend let me borrow his Office CD; I accepted, even though this was software piracy.

Those guys selling copies of Windows Vista Ultimate for $15 a copy are guilty of software piracy.

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