My Vista ran out of ‘time’ Cd-key needed

Hey guys. so, my Windows Vista ran out of ‘time’ and activation is now required. I can’t enter anything but my Mozilla Firefox, and I can’t find a CD-key.
So guys, if you’ve got a CD-key for the following OS, PLEASE HELP!
Windows Vista x64 Ultimate
Thanks in advance
Answer #1
I think I have a solution to your problem, but it will indeed involve going into command prompt. So check to see if command prompt works, if it does, i will PM you a instructions on how to over come this problem.
Answer #2
just use a crack out of the appz section