Whats New in Window 10 Technical Preview Build 9926

List of Features :

1. The start Menu is back its more personal and more organised 
2. Metro (Modern) Apps Run in Windowed Mode on Desktop
3.Virtual or Multiple Desktops
4.Important Changes in Windows Theme and UI
5.Cortana
6.Notification Centre ( Action Centre)
7.New Tablet Mode 
8.New About:Flags Page to Enable Experimental Features in Internet Explorer
9.New store beta
and Many more...