Step #1:
Open Notepad and copy the below code.

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

Step #2:
Save as locker.bat.

Thats it !!....your folder lock is ready for use !!



Now, How to use this customized Folder lock:

Step #1
First things first, right click the locker.bat file you just created and Open With "Notepad" (or with any of the editing tools you have.). Find the line:

if NOT %pass%==type your password here goto FAIL

Approximately 24th Line in the code. Type in your password where it says "type your password here" (without quotes). For Example:

if NOT %pass%==sevenwonders goto FAIL

Here, sevenwonders is the password. Save it.

Customising is Over !!


How to use the Customised Folder Lock:

Step #1
When you run the Locker.bat file for the first time, it will automatically create a folder named "Locker" in present working folder.


Step #2
Copy the important files in the Locker Folder.

Step #3
Double Click on the "locker.bat" file again. It will prompt you :

Are you sure you want to lock the folder ?

Step #4
Press Y for Yes or N for No.

Thats it....your Folder is locked.




To unlock the folder follow the below steps:

Step #1
Double Click on the Locker.bat once again. It will prompt you for the password.

Step #2
Enter the password you entered in the locker.bat file earlier while creating the BATCH file.

Step #3
Press Enter...

Your folder is back again !!