When you use a browser for Windows
1.The menu displays to click the right mouse button on the image. 
2.Please choose "The image is preserved giving the name" in the menu and 
download it to a prescribed folder. 

When you use a browser for Macintosh
1.The menu pop improves when mouse's button is left pushed on the image.
2.Please choose "The image is preserved giving the name" there and download 
it to a prescribed file.