■ Enables and controls simultaneous window display:
 
┌─────────────┐ • Creates a new code window
│ New Window  │ • Arranges or "tiles" open window on
│ Arrange All │   desktop
├─────────────┤ • Displays the Calls, Debug, Help,
│ Calls       │   Immediate, Output, or Project
│ Debug       │   window
│ Help        │ • Selects previously loaded code
│ Immediate   │   windows
│ Output      │
│ Project     │ Note: A bullet (•) appears next to
├─────────────┤       the active window.
│•1 MAIN1.BAS │
└─────────────┘