If you are getting lots of unwanted friend requests, Here are the steps to hide your Facebook profile.

1. Log in t your facebook accoun. 



2. Select  Privacy Settings

3. Select the Custom option .

4. Click Edit Settings in the How You Connect section.
5. Select the desired option from the drop-down list besides Who can look up your profile by name or contact info?.
6. Select the desired option from the drop-down list besides Who can send you friend request?.
7. Select the desired option from the drop-down list besides Who can send you Facebook messages?.