This batch script will let you change the default 'Type here to search' search box text for your account in Windows 10.
Code
::Change Search Box Text in Windows 10
@Echo Off & Cls
Cls & Mode CON LINES=11 COLS=60 & Color 0E
Echo.
Echo.
Echo.
Echo Do You Want to Change Search Box Text (Y/N)?
Echo.
Echo.
Echo.
Set /p input= RESPONSE:
If /i Not %input%==Y (Goto :_Ex) Else (Goto :_Start)
:_Ex
If /i Not %input%==N (Goto :EOF) Else (Goto :_RegRestore)
:_Start
Cls
Echo.
Echo.
Echo.
Echo.
Set /p Text=Type Search Box Text:
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Search\Flighting\0\SearchBoxText" /v Value /t REG_SZ /d "%Text%" /F
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Search\Flighting\1\SearchBoxText" /v Value /t REG_SZ /d "%Text%" /F
taskkill /f /im explorer.exe
start explorer.exe
Exit
:_RegRestore
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Search\Flighting\0\SearchBoxText" /v Value /t REG_SZ /d "Type here to search" /F
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Search\Flighting\1\SearchBoxText" /v Value /t REG_SZ /d "Type here to search" /F
taskkill /f /im explorer.exe
start explorer.exe