There are two ways to download photos:
First click on the Select Photos Button, Then you will have a choice of downloading the entire gallery, by selecting ALL or selecting individual photos to download.
Then just click the download button after you have made your choices.
Also you can select a photo, & just right click over that photo to download.
Hope you enjoy!
Note: All photo files are very large. Downloading my be slow depending on what you are downloading to & how many at a time.