Lock your files without a 3rd party software

Open notepad and enter the following code:

cls

@ECHO OFF

title Folder Secure

if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK

if NOT EXIST Secure goto MDLOCKER

: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 Secure "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 the Password to unlock folder

set/p "pass=>"

if NOT %pass%== tech14o goto FAIL

attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"

ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Secure

echo Folder Unlocked successfully

goto End

:FAIL

echo Invalid password

goto end

:MDLOCKER

md Secure

echo Secure created successfully

goto End

:End

Now save file. In dialogue box name file with .bat extension, select type as all files.

The default password is 'tech14o'

Watch out this video for more details.