Create Hidden Folder

1.Open New window(any local drive or External drive).
2.Create New folder (Right Click> new> folder).
3.Rename new folder (F2 or Right click> rename).

4.Type Alt + 255 (Press Alt Key and type 255 number only numeric key board)
5.After right click this folder > properties > Customize > Change Icon > Select empty icon (without Picture)

6. Click Ok

Important Note: 

• Alt + 255 is Space Key ASCII code.
•  Windows not accept directly space key value.Same time "con","lpt1","lpt2",...etc files are not supported.