
The following video shows the application in action: This is the default appearance of Windows Photo Viewer: And here is Windows Photo Viewer with a custom background color that I have set: Re-open Windows Photo Viewer if you had it open, and you are done. The changes will be applied instantly.In my case, it is Windows Photo Viewer in Windows 8.1. A dialog to pick the color will be opened, where you can select the desired background color for the app you picked. Now, click or tap the button "Change a Color.".The application shows a thumbnail window for the selected app and also shows a live preview when you change the background color. By default, Windows Photo Viewer is selected. You need to pick which app you are going to customize - Windows Photo Viewer or Windows Live Photo Gallery.

Windows Live Photo Gallery in Windows 8.1 Windows Live Photo Gallery in Windows Vista

One is for "Windows 7 and before", the other one is named "Windows 8 and Windows 10". Unpack the archive's contents to any folder you want.Download the app from here: Download Photo Viewer Background Changer.

To change Windows Photo Viewer Background Color, I recommend that you use Photo Viewer Background Changer. The alternative method is via a Registry tweak. The first one involves using my freeware portable app, Photo Viewer Background Changer. If you would like to change the default background color of Windows Photo Viewer, there are two methods to do it. It also includes the ability to play a slideshow of pictures.

Windows Photo Viewer is simple but effective for quickly viewing and printing your digital photos, desktop backgrounds and other pictures stored on your PC. Even Windows 10 has it, but it is not enabled by default and you need to unblock and activate it. Windows Photo Viewer is a classic Desktop app which is bundled with every modern Windows version.
