The present invention relates to a software installation system and a method for copy protection. The software installation system includes a support server in which first installation data for installing software is stored; a recording medium in which an RFID tag storing URL information of the support server is installed and second installation data for installing the software is recorded; a computer having a computer interface unit and a data reading unit reading the second installation data recorded in the recording medium; an RFID reader for reading the RFID tag installed in the recording medium; a portable information processing terminal including a wireless communication unit accessing the support server through wireless Internet, a terminal interface unit connected to the computer interface unit of the computer, and a terminal controller downloading the first installation data and controlling the computer through the terminal interface unit and the computer interface unit.