Trick to get Windows XP’s Product key (CD Key, Serial Key) from CD itself

This trick which will be very much helpful in the case, if you don’t have the product key with your CD. It will take just few seconds; you just have to follow these 3 steps:

1. Explore the XP installation CD
2. Search for UNATTEND.txt , which will be inside i386 directory
3. Last line of the file will give you the Product Key of the CD