Seven perfectly legal ways to get Windows 7 cheap (or even free)

Seven perfectly legal ways to get Windows 7 cheap (or even free): "Only suckers pay retail. You don't have to pay full price for Widows 7. Most people have much better options available, I've researched deals in three separate categories: upgrade offers available to anyone, special deals just for students, and subscriptions intended for technical professionals and developers. Want to save 58%, 70%, 85%, or even get Windows 7 free? Keep reading."