The building information tree has disappeared, how can I bring it to the screen

[günay]

The building information tree has disappeared, how can I bring it to the screen? I need to enter the ground value.

 

[HakanŞahin]

You are working with the ribbon, right click on the vertical toolbar on the left side of the program. Mark the structure tree from the menu that appears. If you are working with the classic menu, right click on any toolbar. Mark the structure tree from the menu that appears.