Mikrotik Key

Dear All,

I installed Router OS v4.11 x86 on My Machine. I puchased a key for software ID: xxxx-xxxx and my local vender
give me the key. Before i use that key my HDD got currupted. Now m unable to get back that software ID and my key is useless. What can i do now , somebody suggest how can i install key in my HDD with new software id: with purchasing new.

Thanks
DIrect Logic

http://wiki.mikrotik.com/wiki/Manual:All_about_licenses#What_is_a_Replacement_Key

Though the whole page would be good reading for you.