As a photo editor, Adobe Lightroom includes a subset of Photoshop’s features that are custom tailored to the contemporary photographer. Lightroom covers the majority, if not all, of the image manipulation tools you’ll most likely need.
The order is as follows: 1) upload to the site spherical panoramas from which you plan to create a virtual tour; 2) from the list of uploaded panoramas add each panorama to the virtual tour (Add to 3D tour link); 3) open the created virtual tour, edit the panorama order, select the main panorama, set transition points (tunnels).