This.
disable_cortana.reg:
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Search] "AllowSearchToUseLocation"=dword:00000000 "BingSearchEnabled"=dword:00000000 "CortanaConsent"=dword:00000000
検索用キーワード: disable cortana コルタナ 無効 Spring Creators Update 1803 ばか