Follow the following techniques to hide a folder:
1. Suppose we want to hide the folder “ABC”, which is situated at Drive C:\
2.Go to Command Prompt (Start --> Run --> cmd).
3. Type attrib +s +h C:\ABC and press Enter.
4. It will hide your folder.
5. To make it visible again you must go to command prompt and type attrib –s –h C:\ABC and press Enter.