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- @echo off&setlocal enabledelayedexpansion
 
 - set "str=abcdefghijklmnopqrstuvwxyz"
 
 - set/a aa=%random%%%26
 
 - set/a bb=%random%%%26
 
 - set/a cc=%random%%%26
 
 - set/a dd=%random%%%26
 
  
- set pcname=Win-20%date:~2,2%%date:~5,2%%date:~8,2%!str:~%aa%,1!!str:~%bb%,1!!str:~%cc%,1!!str:~%dd%,1!
 
  
- echo %pcname%
 
  
- reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\ComputerName\ActiveComputerName" /v ComputerName /t reg_sz /d %pcname% /f >nul 2>nul
 
 - reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters" /v "NV Hostname" /t reg_sz /d %pcname% /f >nul 2>nul
 
 - reg add "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters" /v Hostname /t reg_sz /d %pcname% /f >nul 2>nul
 
  
- pause
 
 
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