...
3. Click the Scaffold Viewer menu icon (
) in the top left-hand corner of the dialog and select Remove Scaffold Viewer Serial No.The Unlock Scaffold Viewer Desktop dialog appears.
4. Click the Remove Serial Number button.
...
The Unlock Scaffold Viewer Desktop dialog refreshes, showing that you have locked Scaffold Viewer.
5. Click the Check in the bottom right-hand corner of the dialog.
The Scaffold Viewer dialog returns, showing your account.