How do I unhide the Design Center in AutoCAD?

To unhide the Design Center in AutoCAD, follow these steps:

1. Access the Design Center: Go to the View tab on the ribbon, then locate the Palettes panel and click DesignCenter. Alternatively, you can type ADCENTER or DC in the command line and press Enter.

2. Toggle the Tree View (if necessary): If the Design Center window is open but the tree view (the left pane that shows folders and content) is missing, look for the Tree View Toggle button on the Design Center toolbar. Click this button to display or hide the tree view. If the Design Center toolbar isn't visible, right-click in the Design Center window and ensure "Toolbar" is checked in the context menu.

By following these steps, you should be able to successfully unhide and access the Design Center in AutoCAD.