reg add HKCR\Applications\photoviewer.dll\shell\open /v MuiVerb /t reg_sz /d "@photoviewer.dll,-3043" && reg add HKCR\Applications\photoviewer.dll\shell\open\command /ve /f /d "%SystemRoot%\System32\rundll32.exe """%ProgramFiles%\Windows Photo Viewer\PhotoViewer.dll""", ImageView_Fullscreen %1" && reg add HKCR\Applications\photoviewer.dll\shell\open\DropTarget /v CLSID /t reg_sz /d "{FFE2A43C-56B9-4bf5-9A79-CC6D4285608A}"