Serial For Photoshop 4.0 Question About Adobe Photoshop 4.0?

Question about Adobe photoshop 4.0? - serial for photoshop 4.0

OK, so I have Adobe Photoshop Elements 4.0. I still have the box and everything. I want to put the program on my laptop, but my notebook has a CD / DVD.

Is there anywhere I go and download the software with the serial number on the package be?