Set the password on any folder by the command prompt(Without any software)

You can set the password on any folder by the command prompt. In this technique no need of any software.
Only just follow the following steps.

 FOR LOCK TO ANY FOLDER:

1.Press windows + R.
2.A new window will be open.type cmd.
3.Now command prompt will be open.
4.In the command prompt type following.
         Type cd/
5.Type cd windows/system32
6.Type as following.path of the folder must given within double qoutes.
cacls "Path of file/folder" /E /P everyone:n
7.Your folder has been locked.

FOR UNLOCK TO ANY FOLDER:

1.follow the above steps untill you reach step 6.
2.Type as following.path of the folder must given within double qoutes.
cacls "Path of file/folder" /E /P everyone:F
3.Your folder has been unlocked.