I want to import a program from the toolbox, but the toolbox on the right of Automation Studio is gone. I can't find it anywhere. How do I enable it?

I want to import a program from the toolbox, but the toolbox on the right of Automation Studio is gone. I can't find it anywhere. How do I enable it?

On
Try the right click on the project name and select "Add object.." the toolbox menu will be shown. 1
I would say you are doing everything right and the Toolbox pane is there - I can see it (there is a small grey dot there).
You just need to drag the pane separator.