Is there a reason you're asking for NTLite v1.5? (released March 2018). Depending on your specific W10 release, Cortana is a name used for the Window Search feature. Without Cortana, Explorer can only search the local folder and not remember files found in other locations.
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Search]
"CortanaConsent"=dword:00000000
"AllowSearchToUseLocation"=dword:00000000
"BingSearchEnabled"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search]
"DisableWebSearch"=dword:00000001
"ConnectedSearchUseWeb"=dword:00000000