View your photos and videos on iCloud.com
In Photos on iCloud.com, do one of the following:
Click Photos in the sidebar to see all of your photos and videos grouped by time and location.
Note: If you don’t see the sidebar, click the Sidebar button .
Click an album or folder in the sidebar to view its contents.
To view a photo or video full screen, double-click one.
While viewing a photo full screen, you can click the thumbnails at the bottom of the iCloud Photos window to see other photos. You can also press the arrow keys to move to other photos.