I do need to upgrade to creo 3.0 student edition and I need to overwrite the expired license to new edition
email you request to -
enter your request on http://support.ptc.com/appserver/support/academic_case_logger/academic_case_logger.jsp
To get new license file, send them MAC address of your network card. You can find it in old license file (after PTC_HOSTID= keyword).