I am not able to install pywinauto in python 2.5.1
Version 2.5.1 don't have pip. I tried to copy paste pywinauto from 2.7.1 but didn't work.
from the pywinauto documentation
Installation
(Python 2.5 and before is not supported)
So it's time to upgrade. Python 2.5 now belongs to retrocomputing.