set window on
set display mode 640,480,16
set window layout 1,1,0
set window title "A Resizable Window"
waitkey
or
set window on
set display mode 640,480,16
set window layout 0,1,0
set window title "A Fixed Window"
waitkey
Also check out
SHOW WINDOW : SHOW WINDOW
HIDE WINDOW : HIDE WINDOW
MAXIMIZE WINDOW : MAXIMIZE WINDOW
MINIMIZE WINDOW : MINIMIZE WINDOW
RESTORE WINDOW : RESTORE WINDOW
SET WINDOW ON : SET WINDOW ON
SET WINDOW OFF : SET WINDOW OFF
SET WINDOW SIZE : SET WINDOW SIZE Width, Height
SET WINDOW TITLE : SET WINDOW TITLE Caption String
SET WINDOW LAYOUT : SET WINDOW LAYOUT Style, Caption, Icon Number
SET WINDOW POSITION : SET WINDOW POSITION X, Y

Hope these are of some use. Although they are in in the help files, under display commands
Yes, a GIRL who can really program! Not bad looking too hehee