Wait for the video to fully load. If you don't have a high-speed connection this may take awhile to load the video.
Once fully loaded, click and hold your mouse button in the video image above. While holding down the mouse button, move your mouse from side to side and up and down. You will be able to spin around the room 360 degrees.
In some areas you will be able click the mouse button to advance into another room. If you see the icon, that means you can click and move to that area of the room. To see all the "hot spots" that you can click on, click the icon in the video toolbar on the bottom.
You can zoom in and out by holding down the CNTRL and SHIFT keys or use the and icons in the video toolbar.