Windowsinstall

download and install python

http://www.python.org/download/

download and install setup tools

http://pypi.python.org/pypi/setuptools#files

upgrade setuptools

easy_install -U setuptools

install required python modules

easy_install tornado
easy_install Mako
easy_install MongoKit
easy_install python-dateutil
easy_install pytz

clone whirlwind

git clone git://github.com/trendrr/whirlwind.git

change to whirlwind directory

cd whirlwind

run the setup script

python setup.py install