Sidebar in turn was called Windows Desktop Gadgets in Windows 7 but it was also discontinued due to security issues ; Windows 8 replaced it with live tiles in the Start screen .
7 also allows components to be added to the desktop .
Sidebar in turn was called Windows Desktop Gadgets in Windows 7 , which also allows components to be added to the desktop , but it was also discontinued due to security issues ; Windows 8 replaced it with live tiles in the Start screen .