In this video, you’ll learn how to enable and restore the classic Windows Photo Viewer in both Windows 10 and Windows 11. If your default image viewer opens photos in the Photos app and you prefer the faster, more responsive Windows Photo Viewer, this tutorial will guide you through the simple steps to bring it back using the Windows Registry Editor. br br 📌 Registry Path to Enable Windows Photo Viewer: br br HKEYLOCALMACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations br br 👉 Add this key: br br PhotoViewer.FileAssoc.Tiff br br Whether you're missing Windows Photo Viewer or want to set it as the default photo viewer, this method is 100 working in 2025 and safe to apply.