Not sure if you want to upgrade to Windows 10? Windows 10 is different from any Windows operating system that has come before it. It takes bits and pieces of its predecessors while at the same time adding some entirely new features. And while upgrading to Windows 10 may not be something you planned to do right away, there's no reason to wait. With many customers getting a free Windows 10 upgrade, check out the reasons you should download it right away. For more on Windows 10 visit www.dummies.com.