See this link: http://www.lfd.uci.edu/~gohlke/pythonlibs/#pywin32. It may be of help to you.
Step 1: Download the pywin32....whl
Step 2: pip install pywin32....whl
Step 3: C:\python32\python.exe Scripts\pywin32_postinstall.py -install
Step 4: python
>>> import win32gui