Step 1 : Creat new folder
Step 2 : Rename folder (press F2) now hold down alt+0160
Step 3 : Right click on folder --> Properties
Step 4 : Click on "Customize" tab
Step 5 : Click on "Change Icon"
Step 6 : Scroll to right Select "Blank icon"
Step 7 : Click OK
Step 8 : You done!, Your folder is invisible now