Folders * Albums * Keywords * Timeline * Properties
In the registered version you can show/hide the panels by pressing the key as follows:
CTRL+F1 : all panels
CTRL-L: panel left
CTRL-R: panel right
CTRL-T: panel on top
CTRL-ALT-T: panel bottom
F1 also activates the slide-show, which displays one image at a time in full screen.
CTRL+ f: toggle full screen mode