Open a building. For more information on how to do so, see section 4.6.1., 5.4.3. or 6.1.1.
Go to the building card (see image below).
Click the tab called "General" (see image below).
Place your cursor on the image you wish to download (see the first image below). When you place your cursor on an image you will see two icons: "Get image" and "Delete image" (see the second image below).
Click "Get image" (see image below). When you do so, the image you are working with will be downloaded on your computer.
