Open the Options windows as discribed above(either way is fine). Expand Local Data on the left hand side by clicking on it and select History.This may be more efficient for many users, as you can select a previous entry without keying it entirely, but it is easily turned off if it becomes an annoyance. In all entry fields, a list of the most recently used entries will open in a drop-down menu when you begin to type.
You do not need to be in SAP to alter Options: Click Start Button, Control Panel, under View by (upper right hand corner of screen) select Large icons, then locate and click SAP GUI Configuration.
On the left hand side of the window is a list of options, expand Visual Design by clicking on it and select your choice of options. SAP must be restarted for theme changes to take effect. You can select the theme you would like to use here. Near the top of the window that opens on the left side is the word Theme and a drop down menu.
SAP's new version of the GUI (Graphical User Interface) offers an improved visual design and some additional functionality. Change The Look of the GUI (Color Settings)