Sketch It! - Version 2.5 Have you ever had trouble explaining your idea on a computer to someone? Have you ever simply wanted to mark on your screen for illustrative purposes? Have you ever wanted to sketch an equation or figure to the side of your notes? Well now you can!With Sketch It! you can draw on top of any program on your computer including your desktop.Sketch It! will allow you to turn your ordinary computer into a virtual drawing surface.