Photo Viewer Windows 10 [portable]: Install

While Windows 10 comes with a default Photos app (a modern, UWP app), many users prefer the classic Windows Photo Viewer (the viewer from Windows 7/8) or third-party alternatives. Below are the most effective methods to get a traditional photo viewer working on your system. Option 1: Enable the Hidden Classic Windows Photo Viewer (No Installation Required) Windows 10 actually includes the old Windows Photo Viewer, but it is hidden by default. You can re-enable it via a Registry edit.