Here some trick i hope it can help you to lock your folder in your windows vista without buy any software.

1) Open your notepad and paste this code into it.

2) In code, change this:  “type your password here” with your password like 123456 or etc you like.

3)  Save this code in notepad as batch file name in your desktop folder or drive c folder. Example name: secret.bat

4)  Now you see a batch file. Double click it.

5)  After clicked you can see a new folder named Locker automatically add at the same place.

6) Now copypaste/transfer all the files you want to give it password or hide into the locker folder.

7) After finished transfer your file and want to lock it, just click again batch file to lock the Locker folder.

To unlock your files again, double click the batch file name and you would be prompted for password. Enter the password you setup and you can see again locker folder. Click locker folder and you can see your file there.

Here Code You Must use. Copy and paste into notepad and rename it as bat file:


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