[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.jpg\UserChoice] "Progid"="Applications\photoviewer.dll"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.dib\UserChoice] "Progid"="Applications\photoviewer.dll"
— those are almost always malware. The real Windows Photo Viewer cannot be downloaded separately. windows photo viewer download for windows 10
Before proceeding, understand this key fact: Microsoft does not offer Windows Photo Viewer as a separate, downloadable installer (.exe or .msi) for Windows 10. Unlike a typical app, you cannot go to a website and download it directly. Instead, Windows Photo Viewer is a built-in component of Windows, but it is hidden in Windows 10 and Windows 11.
Microsoft replaced it with the (a UWP app) starting with Windows 8 and 10. However, the old Windows Photo Viewer (from Windows 7 and 8) still exists in the system files of Windows 10 — it's just not set as the default image viewer. Unlike a typical app, you cannot go to
If you just want a reliable classic image viewer without any registry tweaks: from irfanview.com — it's faster than Windows Photo Viewer and supports more formats.
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.png\UserChoice] "Progid"="Applications\photoviewer.dll" However, the old Windows Photo Viewer (from Windows
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.tiff\UserChoice] "Progid"="Applications\photoviewer.dll"