- Press and hold the Command () key.
- Drag the item from the Finder sidebar and release it.
Note: If you don't hold down the Command key while dragging the item, it will snap back to the sidebar when you release it.
In the image above, Applications is selected in the Finder sidebar.
To add an item, simply drag it to the correct area. You don't have to hold down a modifier key—such as the Command key—to drag an item into the sidebar of a Finder window.