For no known reason (to me anyway), I now find that every screen which I attempt to display is set at the "lower" size. ie, I have to click on the expander button to fill my monitor on each and every occasion. It is fine vertically but is about three quarters of an inch short on the right hand margin. I simply cannot locate the adjustment to display a full monitor image initially. I know I am a PC dummy and this is not the end of the world but, it does annoy me. Any tips please. Thanks.
If you drag the window to full size by pointing to the corner of the window with your mouse and holding the left button down and then use 'File' 'Exit' to close down the window your OS should then remember the size you want and open any windows to that size in future.