hamze wrote:
i have lost my windows xp cd key what shall i do

Well...

Depending on your need and current situation, you may have options.

- Have you searched the machine for a sticker with a product key printed on
it?
- Have you ran any applications like Belarc Advisor or Magic JellyBean
KeyFinder to attempt to get the key from your currently installed Windows
XP?

--
Shenan Stanley
MS-MVP
--
How To Ask Questions The Smart Way
http://www.catb.org/~esr/faqs/smart-questions.html