There, at the very bottom of the list, near the settings that changed the colors and the backgrounds, was the key. But it wasn't in the simple View menu. It was deeper. He needed the Control Panel. No, wait—he needed the Folder Options.
He tried to drag it. It snapped back.
Locate the folder (it will appear slightly transparent/grayed out). Right-click the folder and select . how to unhide a folder
He hovered over .