windows photo viewer enable via registry

save as pho.reg and open it 

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Photo Viewer\Capabilities\FileAssociations]

".tif"="PhotoViewer.FileAssoc.Tiff"

".tiff"="PhotoViewer.FileAssoc.Tiff"

".png"="PhotoViewer.FileAssoc.Tiff"

".bmp"="PhotoViewer.FileAssoc.Tiff"

".jpeg"="PhotoViewer.FileAssoc.Tiff"

".jpg"="PhotoViewer.FileAssoc.Tiff"

".ico"="PhotoViewer.FileAssoc.Tiff" 

src:

https://gist.github.com/en0ndev/e21d05325be0f391acbf93e9865d1817