Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search]
"ConnectedSearchUseWeb"=dword:00000000
"ConnectedSearchUseWebOverMeteredConnections"=dword:00000000
"DisableWebSearch"=dword:00000001

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Explorer]
"DisableSearchBoxSuggestions"=dword:00000001