I bout a windows xp secound hand and have it installed on one of my computers
how can I install it on another computer I have even though i donot have the
product key? Is there any way to get the product key off of a computer that
already has it installed?

squinty wrote:
The magical Jellybean key finder
http://www.magicaljellybean.com/keyfinder.shtml


Of course you realise that you can only use that copy of XP on one computer
at a time don't you?