Astrio Paint is a simple graphics editor for Windows similar to the classic Paint. On the left is a toolbar including Pencil Brush Eraser Fill Line Rectangle Ellipse Text tool Color Picker and Select tool. The tool size is set in the Size field. At the bottom of the window is a palette of primary and secondary colors with an indicator of the currently selected foreground and background colors. The main part of the window is occupied by a canvas with an image in this example a photo of the Moon is shown. File and image management is performed through the File Edit and Image menus at the top of the window.