Windows Photo Viewer Download For Windows 10 ((free)) -

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.jpeg\UserChoice] "Progid"="Applications\photoviewer.dll"

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.dib\UserChoice] "Progid"="Applications\photoviewer.dll" windows photo viewer download for windows 10

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.heic\UserChoice] "Progid"="Applications\photoviewer.dll" windows photo viewer download for windows 10

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.gif\UserChoice] "Progid"="Applications\photoviewer.dll" windows photo viewer download for windows 10

— those are almost always malware. The real Windows Photo Viewer cannot be downloaded separately.