I HAVE A QUESTION FRO GOODNESS SAKES!!!!

i can't find the serial number to enter for free my trial PS6 Photoshop...and quite frankly ithis keps up much longer no matter how super PS6 is i am not going to buy anything from Adobe...i just asked 1 simple guestion and you are making me go through an act of congress...thank you so much, Patrici Pierce.....