Many of u may knew it but this is for other's who don't know about it ........so let's start ..... If u r trying for the first time better u try at desktop..... Make a new folder ....press F2 to rename it.......n do the following ....press the alt key + tap these keys one by one 0,1,6,0 and leave all the keys u will notice that now the folder's name is blank.....now how to make it invicible?.....right click on the folder and select properties .......and go to costomize and in that change icon and scroll further u may see 4 invicible icon's select any one of them ....select apply and then ok and then boom ur folder is invisible.....but its still there u can open it.... u can move that folder where ever u want.....