Protect the  folder with password without any special softwareStep 1 -- Copy the following codings
cls
@ECHO OFF
echo    // Check1 (In Main Function)
title Folder LockFolder
if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLockFolder
if NOT EXIST LockFolder goto MDLockFolder
:AuthConfirm
echo Are you sure u want to Lock Folder  (Y/N)
set/p "cho=>"
if %cho%==Y goto LockFolder
if %cho%==y goto LockFolder
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
goto AuthConfirm
:LockFolder
ren LockFolder "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder LockFolder Locked!
goto End
:UNLockFolder
echo Enter password to Unlock Folder
set/p "pass=>"
if NOT %pass%==abc goto FailUnlock
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" LockFolder
echo Folder UnLocked successfully!
goto End
:FailUnlock
echo Invalid password!
echo Try again?  (Y/N)
set/p "choice=>"
if %choice%==Y goto UNLockFolder
if %choice%==y goto UNLockFolder
if %choice%==N goto END
if %choice%==n goto END
:MDLockFolder
echo    // Check2 (In MD Dir Function)
md LockFolder
echo Folder LockFolder created successfully!
goto End
:End
Step 2 -- Paste the coding in new notepad 

Step 3 -- In the line  " if NOT %pass%==abc goto FailUnlock "
             --- edit the word abc to password that you want
                --- ex : " if NOT %pass%==jestel goto FailUnlock "

Step 4 --- After chance password save the file as bat file shown below
                    ------- example : " jestel.bat"


Step 5 --- After save as bat file, File becomes like, shown below

Step 6 --- Now double click on bat file, A new folder named " lock folder " appears
 
Step 7--- Save the files in lock folder that you want protect
              ---- After save the file
               ---- again double click the bat file
                     ----the command box display as " Are you sure you want to lock folder y/n "
                                ----- type   y    "yes"
                                      ----Press enter

Step 8 ---- now  " Lock Folder " has been protected
                ------- will not display on screen

Step 9 --- To open the lock folder 
             ------- Again double click bat file
                      ---- type the password

Step 10 ---- lock folder will display on screen 
               -----again to protect 
                  -------click bat file 
                            ---------press y and click enter