This is currently outdated and needs a refresh for V3.
Download from www.python.org. There are some modules not available for 64 bit, so you should use 32 bit versions which will run perfectly on 64 bit Windows as well. I suggest installing system paths and pip, it makes life easier.
Download from voidspace.org and install; pip didn't work for me.
After a regression in early 3.x versions has been fixed, wxPython starting with 3.0.1.1 works. Use wxPython-3.0-win32-3.0.2 or newer.
modBind needs requests and dnspython, may be installed using pip install requests and pip install dnspython.
modLdap needs PythonLdap 2.4 or newer, python-ldap-2.4.12 win32 is known to work. pip install python-ldap will fetch the latest version.
modPg uses psycopg 2.5 or newer, psycopg 2.5.2 win32 should work. Use pip install psycopg2.