Installing

Windows 8 preview, users cannot uninstall it or upgrade this for the final release. 

Additional Apps

 There is already the already existing apps called the "Metro Apps" which includes Mail, Calendar, People, Maps, Weather, Internet Explorer, Music and Video players, Weather, etc. Bing is divided into three: travel, sports, and news. 

Improved Web Browsing

Windows 8 also comes with the Metro version of Internet Explorer 10.

Connect Anywhere  

Windows 8 can connect you to your files, photos...