How to winrunner tool download free

i don't think you can. it was originally by mercury interactive which hp must have acquired. here's a link from hp's site: https://h10078.www1.hp.com/cda/hpms/display/main/hpms_content.jsp?zn=bto&cp=1-10^36653_4000_100__&jumpid=reg_R1002_USEN#. the link for WinRunner doesn't go anywhere though...