Policy
Allow file downloads
This policy setting allows you to manage whether file downloads are permitted from the zone. This option is determined by the zone of the page with the link causing the download, not the zone from which the file is delivered. If you enable this policy setting, files can be downloaded from the zone. If you disable this policy setting, files are prevented from being downloaded from the zone. If you do not configure this policy setting, files can be downloaded from the zone.
22bfaf183045 IZ_PolicyFileDownload_5 Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1803HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1803 Policy notes
This policy setting allows you to manage whether file downloads are permitted from the zone. This option is determined by the zone of the page with the link causing the download, not the zone from which the file is delivered. If you enable this policy setting, files can be downloaded from the zone. If you disable this policy setting, files are prevented from being downloaded from the zone. If you do not configure this policy setting, files can be downloaded from the zone.