The user interface of 123 Photo Viewer is optimized for both desktop and touchscreen use. It is important to note that 123 Photo Viewer was built from the ground up to be distributed only by the Microsoft Store, and therefore cannot be experienced on older versions of Windows OS. The app provides both home, school, and business users with up-to-date support for all modern photo formats. 123 Photo Viewer is a static and animated photo viewer app for Windows 11/Windows 10 that has managed to attract more than 1 million users with its wide array of useful tools and a regular cadence of updates.