Download a QuickTime application that is version 5 or later.
Visit the Louvre's official site.
Click "Museum" from the top menu. Select the "Virtual Tours" option.
Choose the tour you want to view and click the title. Select "View" next to the option you want to view.
Click on the picture and drag the mouse to move the picture on the screen. Zoom in and out using the menu bar at the bottom of the video.