Rotating - Left Click, Hold and Drag
Moving - Right Click, Hold and Drag
Zoom In - Scroll Up
Zoom Out - Scroll Down
Rotating - Tap, Hold and Drag
Moving - Pinch, Hold and Drag
Zoom In - Pinch, Hold and Pull Outwards
Zoom Out - Pinch, Hold and Pull Inwards
Click on the buttons where the model parts are placed to choose which part of the model you want to view. If you want to learn more about a part of the model when you have selected the one which you want to view, simply select the button in the top-right of the container.