Create a Custom Palette:
Click on: Load Customer Palette, the top line will be blank.
You should be able to choose Default or a Custom Palette if you've already created and saved one.
To create a Custom Palette start with needle 1. Select the color you want it to be. Click on the Up Arrow which will allow you to go to the next (2, 3, 4, etc.). Select the color. Repeat that process for as many colors as you'd like to use.
When you are done click on: Save As Custom and type in a name for the Custom Palette, then click OK.