How To Find Serial Code In Sims 3 Where Do I Find My Sims 3 Serial Code?

Where do I find my Sims 3 serial code? - how to find serial code in sims 3

Do not tell me if I know that in this case.

I lost the case, something in my room and I my code to download something TS3.com. I know that somewhere in the install file on my PC and have seen it, but I do not know where x_X

Where is the code?