Make a folder invisible by simple trick

First of all you need to rename a folder/file that you want to hide.
for this,
right click on file and select 'rename'
then press Alt and type 0160 in the name box
you will see a file with no name
Now next step is to make it invisible
For this again right click on file ->Properties -> Customize -> change icon
Now browse through given icons and select icon with no image
DONE