Have you tried this:
http://nathanw.net/2013/05/03/installing-qgis-using-apt-on-windows-osgeo4w/
?
Another method - if you have a "fleet" of QGIS pc's to maintain:
http://www.qgis.nl/2014/04/22/qgis-in-de-klas-onder-windows/?lang=en .
The methods can be combined
Regards
Bo Victor Thomsen
Aest
Qgis is updated frequently but what is the best way to keep it up to date on
your local machine?
I have gone through perhaps 10 different versions either using the standalone
or OSgeo. OSgeo used to work fine but then had more problems with all the
different settings and went through a period