To view the photos:

Slideshow: Click on any photo to open a slideshow of them. Then click outside any photo to show this opening page again.

While in the slideshow: Clicking on “View full size” in the bottom right for a bigger view of the current image in a new tab or window.

To copy an image to one of your folders:

On a PC: Right click on a photo and choose “Save image as”, then navigate to a folder of yours to save the image.