CD-Key?

So is there no way to get a free CD-Key for CSS?
Looked all over google n you tube.
I have a useable CD and installed it, but the key is taken.

here is a CD key for ya if this dont work pm me and ill give ya another one kk
JKLSD-EWQ89-45BNM-32OP6-RLD0

hmm, where are places I can get these keys becaus I need one too for my css ^^ much appreciated if you give me one