When you’ve collected thousands of photos in your computer, it can be a complete mess to sort through them. A software that can display your photos like a gallery is what you need. The 123 Photo Viewer is one such software. It’s easy to install and use. Just head to its page in the Microsoft Store and download it. The installation process will be done automatically. The interface is simple. It’s just a black background with photos displayed in thumbnails. The name of each file is displayed below the thumbnail. You can decide whether to arrange the photos by date, name, or just leave it by default. It’s a useful program for anyone who needs a simple photo viewer.