HPS just released the direct download version of Napoleon's Russian Campaign.
The game can be purchased here:
http://www.hpssims.com/shopping/shopdisplayproducts.asp?id=40&subcat=40&cat=Napoleonic+Battles (http://www.hpssims.com/shopping/shopdisplayproducts.asp?id=40&subcat=40&cat=Napoleonic+Battles)