OMG, heres the email I recieved,
Dear Rafael,
Thank you for contacting HP Total Care.
I see that you are looking for the Operating System CD for the Pavilion
725n desktop PC.
I regret to inform that HP Pavilion PCs that ship with Windows XP do
not
include a set of Operating System CD. This is as per our license
agreement with Microsoft allows us only to preinstall the operating
system and to provide a backup of the operating system on the hard
drive
at the time of shipping the PC. The backup files are located in the
"C:\I386" directory. Therefore, I recommend you browse to the "C:\I386"
directory when ever prompted for the Operating System CD.
If you have further questions, please reply to this message and we will
be happy to help you.
Please visit our Owner Services Web site for details on keeping your HP
and Compaq products up and running.
Thanks God This is my last pre-built computer

👍

. And thank you all for the feedback.