You can change the size of the icon that represents a desktop object. To change the size of an icon on the desktop, perform the following steps:
Right-click on the desktop object whose icon you want to resize, then choose Stretch Icon. A rectangle appears around the icon, with a handle at each corner.
Grab one of the handles, then drag the icon to the size that you want.
To return the icon to the original size, right-click on the icon, then choose Restore Icon's Original Size.