Double-click the BIMx model to open it in the viewer, or use the File > Open command from the BIMx menu.
To access the BIMx menu, press the ESC key.
To return to the navigation window, press ESC again.
To switch full-screen mode on and off on Windows, use F11.
Choosing among Menu Options
Click and hold on the option you want to change.
The available choices will then pop up.
Move your cursor over the options.
When the cursor is on the desired option, let go of the cursor to enable that option.
Editing Numerical Settings
If the setting you are editing is a numerical value (such as navigation speed), you can change the value only by dragging the mouse left (to decrease the value) or right (to increase it.) You cannot enter the values directly.