hi|

i want to install windows in my computer system which have not cd-dvd rom . so please ell me how i can install windows in it.

Simply saying Windows dosn't clarify anything. Anyway take this:
If Windows 9x/ME/2000 are posible if trying XP than Just wana say that if there is simple option is available it requires only a CD-ROM why to go to the tough side.

You can start by reading this tutorial post.
http://www.syschat.com/install-windo...py-cd-463.html