How to rename Computer name

Create file .bat with content:

SET /P PCNAME=Please enter your name:
REG ADD HKLM\SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName /v ComputerName /t REG_SZ /d %PCNAME% /f
REG ADD HKLM\SYSTEM\CurrentControlSet\Control\ComputerName\ActiveComputerName\ /v ComputerName /t REG_SZ /d %PCNAME% /f
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\ /v Hostname /t REG_SZ /d %PCNAME% /f
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\ /v "NV Hostname" /t REG_SZ /d %PCNAME% /f
@echo off
echo Please Restart your computer Manually. The Program will exit now.
echo.
echo.