Make a private folder
To make Private folder which nobody can open, delete, see properties, rename.
To make such a folder you need to make a folder with any name. For example- manthan on desktop.
And then open command prompt and then type the following command on the screen.
Cacls folder /E /P everyone:n
And hit enter the folder is locked
To open the folder just: replace :n with : f
And the folder is opened