How to lock Folder without any software

Its easy, follow the steps carefully...:)

Open a Notepad and copy the below given code and save as locker.bat. An MS-DOS file will appear on your desktop after you save as the file locker.bat. Double click on the MS_DOS file which is named as locker, it will create folder titled Locker automatically for u. After creation of Locker folder, double click on the MS-DOS file (locker.bat), you will get a DOS pop-up, press Y to lock the locker folder, then Locker folder will be disappeared. Again to get it view it, click on locker.bat and give the password, the password will be the same which you re-named to create the MS-DOS file.

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cls
@ECHO OFF
title Folder Locker
if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK
if NOT EXIST Locker goto MDLOCKER
:CONFIRM
echo Are you sure u want to Lock the folder(Y/N)
set/p "cho=>"
if %cho%==Y goto LOCK
if %cho%==y goto LOCK
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
goto CONFIRM
:LOCK
ren Locker "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder locked
goto End
:UNLOCK
echo Enter password to Unlock folder
set/p "pass=>"
if NOT %pass%==type your password here goto FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Locker
echo Folder Unlocked successfully
goto End
:FAIL
echo Invalid password
goto end
:MDLOCKER
md Locker
echo Locker created successfully
goto End
:End
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