Windows 8.1 is now available for download from Microsoft, this is a free upgrade if you decide that you want it. If you need help installing it Microsoft has given you a how to page located right HERE. Microsoft is claiming a lot of new features and even UI updates to Windows 8.1. For a full list of what’s new check out Microsoft’s what’s new page located HERE. Finally, check out the video below for a first look at Windows 8.1.