Z Office gives you the ability to modify Z Register Layouts to add/remove buttons and functions and also change the colours etc. 

Add New Register Layout

1. Go to Z Office > POS > Add New Register Layout
   
   
   
   
2. The Add Register Layout Details window should appear:
   
   
   
   For more information on how to use this window, scroll below to the Manage Register Layout section.

Manage Register Layout

1. Go to Z Office > POS > Manage Register Layouts
   
   
   
   
2. Select a Register Layout to update
   
   Note

   You can't update system default layouts which are indicated with a . You can however, use them as a starting point and save the Layout Name as something different.

3. The Edit Register Layout should appear:
   
   
   
   a. Layout Name - The name of the layout
   b. Sales Menu Tab - The layout settings for the Sales Menu
   c. Payment Menu Tab - The layout settings for the Payment Menu
   d. Register Functions - The list of available register functions
   e. Add Group - Add a new group/tab to the menu
   f. Remove Group - Remove a group
   g. Remove Function - Remove a function button from the layout
   h. Group Settings - Modify the group settings - in particular the grid (amount of columns and rows)
   i. Function Settings - Function settings

Add a Register Button

1. Press and drag the register function into an empty layout area
2. You can change the Title, Background, Text Colour, Image and also add a Keyboard Shortcut for the function.