Drag the blue ball to your screen and choose the “text” icon
Change the text, background, color etc of your text to how you like it:
Activate “3d” to see even more custom options and make the text “part of the image” when the user rotates the scene.
Highlight the text and then click on the “link “icon
In the pop-up add the website address
You can also link to an email address or perhaps another virtual tour!