Use the View menu for actions that is related to the windows show and hide. The menu contains the following entries:
Main Toolbar: shows or hides the toolbar.
Filters Toolbar: shows or hides the toolbar.
Status Bar: shows or hides the status bar.
Tool Box: shows tools for choosing.
Tool Box 2: shows the second toolbox.
RGB/Alpha Mode: shows the toolbar RGB/Alpha mode.
Color Palette: shows colors for choosing.
Size Box: shows sizes of rubber or line.
Icon Fomat List: Show Icon Format list window
Zoom Out: zooms out the grid editor window.
Zoom In: zooms in the grid editor window.
Zoom Default: resizes the grid window to the default.