Windows 7 is one of the greatest Windows versions made. It is easy to use, the speed is very fast and you can configure it to your liking. Windows 7 lacks an app store like the one on Windows 8 or on Mac OSX but you can easily search for a program with a browser. If you are upgrading from Vista, it will be a smooth transition and it will be noticeably faster too. XP users may have some difficulty with the new taskbar and other additions but you will feel right at home after using it for a few days. Overall I believe that Windows 7 is a solid operating system, a major improvement over Vista and a worthy upgrade if you are an XP user.