Main window
The main window is where you control everything that is not part of a workspace. The window hosts a number of pages.

| # | Name | Description |
|---|---|---|
| 1 | Home | Click to show the Home page. |
| 2 | Features | Click to show the Features page. |
| 3 | Package cache | Click to show the Package cache page. |
| 4 | Environment | Click to show the Environment page. It lists the AL settings in your Visual Studio Code user settings, and system information such as the operating system and .NET runtime. |
| 5 | About | Click to show the About page. |
| 6 | Settings | Click to show the Settings page. |
| 7 | Page area | This is where the selected page is shown. |
The Environment icon turns red when Prism cannot find or parse your Visual Studio Code user settings file. While Prism processes background tasks, a button above Settings shows how many are running; click it to list them.