Have you considered a Linux OS? They are free and you can do most anything you can do on Windows except
run Windows platform only software. Gamers that play games that only work on Windows can find many of the
popular games work when Wine is installed in Linux.
Just wanted to mention that option if you don't want to spend the bucks for a Win 7 DVD.
“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”― Lawrence M. Krauss
A 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science & Industry.”