The Download Now link directs you to the Windows Store, where you can continue the download process. You must have an active Microsoft account to download the application. This download may not be available in some countries.
Microsoft is going to release windows 8.1 with many new features. Its all about the what's new in the windows 8.1 and features included in 8.1 So if you want to know about 8.1 then this application is for you. Some of the features are Start button Return Revamped search Xbox Radio Music Internet Explorer 11.