Hide What You Likes On Facebook

Demo Image 

A. Open your account's about page  ( click here to open it )

B. Click the edit pen and choose Manage Sections

C. Make Sure all boxes are checked (Likes, Notes, Books, Music ... etc ) 

D. For each tab click the edit pen and choose Edit Privacy

E. Choosing `Only Me` will hide what you will like from your friends and public for the category .

F. Repeat the above steps for all categories (Likes, Music,Tv Shows . .. etc)

This picture shows the new privacy after edditing the above demo image

Video Shows  All The Above Steps