LOCK FOLDER WITHOUT ANY SOFTWARE

Step 1:- Open notepad
Step 2:- Copy and paste following codes. 

cls
@echo off
title Folder Locker
IF EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B303¬09D}" GOTO UNLOCK

IF NOT EXIST Locker GOTO MDLOCKER
echo Folder Created.

:CONFIRM
echo Are you sure you 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-08002B303¬09D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B303¬09D}"
echo Folder Locked.
GOTO END

:UNLOCK
echo Enter password to unlock the Folder :
set/p "pass="
IF NOT %pass% == Password GOTO FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B303¬09D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B303¬09D}" Locker
echo Folder Unlocked Successfully.
GOTO END

:FAIL
echo Invalid Password!
GOTO END

:MDLOCKER
md Locker
echo Folder created.
GOTO END

:END
PAUSE

Step 3:- Write your own password instead of Password in 25th line
Step 4:- Save this as batch file means in .bat format (eg.Locker.bat) ".bat is important"

Note:-On First opening that batch file one folder will be created named locker put all the files or folders you want to lock in that folder.Now again open the same batch file it will lock the folder and you wont be able to find folder.to unlock it again open batch file.It will ask you password enter the password you kept in "Step 3".now the circle begines.