Zoom in and out:
1) Use plus and minus buttons on upper left of map.
2) Use the mouse scroll wheel.
3) Hold the shift key and left click on the map to draw a box around the location.
1)Use arrow buttons in upper left corner of the map.
2)Hold the left mouse button down on the mouse and use cursor to drag the map.
Go to Panorama:
Left click on a red location dot and click the link in the pop up window.
Switch basemap layer:
Click on the plus button on the left of the map to open the layer switcher.
Hold left mouse button down on the panorama and drag the cursor in the direction you want to view.
Click on plus or minus button to zoom in and out.