Install Psycopg2 to Virtualenv under Windows

Activate your vitualenv, and run:

easy_install http://www.stickpeople.com/projects/python/win-psycopg/2.4.6/psycopg2-2.4.6.win32-py2.7-pg9.2.2-release.exe

Psycopg2 precompiled Windows binaries: http://www.stickpeople.com/projects/python/win-psycopg/
Source: http://stackoverflow.com/a/5383266/1570936