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 – parth on desktop and create folder which name is folder.
And then open command prompt and then type the following command on the screen.
cd desktop
Then type
cacls folder /E /P everyone:n
And hit enter the folder is locked
To open the folder just: replace with: f
cacls folder /E /P everyone:f
And the folder is opened
Note : in this trick you can copy your data in this folder at your own risk i am not responsible for the any type of the damage or losses from this folder