Navigation:  Preferences > Appearance page > How to (appearance) > How to: allow transparency

Right click on program icon appears in system notification area and choose "Preferences" menu item from pop-up menu or click on button on PNotes Control Panel.

When "Preferences" dialog appears, choose "Appearance" page.

 

In order to allow transparency check the appropriate check box and adjust desired transparency level with slider:

 

In order to disable transparency uncheck the appropriate check box.

 

Default value: unchecked.

 

Note: if you allow transparency, you may set individual transparency level for each note.