imp queries


i m a research scholar doin Masters in information technology 
from Panjab University, Chandigarh,India
i have few queires related to knime software..
1) is it possible to run this software on Windows 7?
2) where is the source code of this software located?
3)how to edit this code and can i develop my own application using this software.
please help ite urgent and very important.
navpreet rupal

hehehheehe.... mere se puch leti yar ;)