Registry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Value: SmartScreenEnabled
Type: REG_SZ
Data: Off
Command
reg add “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer” /v SmartScreenEnabled /t REG_SZ /d Off
Screenshot
Notes
https://support.microsoft.com/en-us/help/17443/windows-internet-explorer-smartscreen-filter-faq