Protecting your files or folders is important if your computer is used by others. There are lot more ways to protect your files/folders with a password but most of them requires installation of software. I am going to show you a simple and easy way to Lock Folder Using CMD.\\ STEP 1: Copy the following code to Notepad. cls @ECHO OFF title Folder Private if EXIST “Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}” goto UNLOCK if NOT EXIST Private 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 Private “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%== 1234 goto FAIL attrib -h -s “Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}” ren “Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}” Private echo Folder Unlocked successfully goto End :FAIL echo Invalid password goto end :MDLOCKER md Private echo Private created successfully goto End :End STEP 2: In 23rd Line You can see the default password i.e., 1234 , so just change this to the password you want.\\ STEP 3: Save the file using any name you want with .BAT\\ STEP 4: Open that save file and enter the password and press Enter\\ STEP 5: After entering the password , it will create one folder named “Private”. So, copy any file or folders you want to hide and paste/move it to Private folder.\\ STEP 6: If you want to lock this folder, again open that BAT file. Type Y and then press enter, now your folder is locked or hidden whatever you can\\