download google SDK: | http://code.google.com/appengine/downloads.html#Google_App_Engine_SDK_for_Python

#standarizing on location: /c/downloads/python

unzip google_appengine_1.3.5.zip #resulting in: /c/downloads/python/google_appengine

install Google App Engine SDK view documentation: /c/sites/google_app_engine/google_appengine/README