Microsoft has killed the Sidebar in Windows 7, but the Gadgets it contained live on. This tutorial will show you how to add Gadgets to the Windows 7 Desktop and how to resize it.
Right click and empty area on your Desktop >> click Gadgets.
Double click or drag the Gadget to get it on the Desktop
When done close the Gadget Gallery.
To Expand the Gadget, click the arrow as shown:
To minimize the Gadget, click the arrow as shown:
To close the Gadget, click the X button as shown: