HELLO SIR MY NAME IS HRIDESH GAUTAM . I HAD PURCHASED A COMPUTER WITH WHICH NIS 2012 WAS PRE INSTALLED .I DIDN'T KNEW HOW TO ACTIVATE IT AND GET IT'S ACTIVATION KEY . WHEN I GOT TO KNOW ITS ACTIVATION PROCEDURE AND ACTIVATION KEY , THE PRODUCT'S LICENSE WAS EXPIRED .SO SIR PLEASE TELL ME IF THERE IS ANY WAY OF ACTIVATING MY PRODUCT WITH THE SAME PRODUCT KEY , I DON'T WANT TO PURCHASE ANOTHER KEY IF I ALREADY AM HAVING MORE THAN 10 MONTHS OF LICENSE PERIOD AND THE KEY IS NOT EVEN USED YET FOR THE ACTIVATION FOR THE PRODUCT . I WILL BE HIGHLY THANKFUL TO YOU .