How to make my facebook profile visible to everyone in the world?

1st step   >go to privacy settings:

Privacy Settings

• Control Privacy When You Post

  You can manage the privacy of your status updates, photos and information using the inline audience selector — when you share or afterwards. Remember: the people you share with can always share yourinformation with others, including apps. Try editing your basic info to see how it works or learn more.
  

  What's on your mind?
  

  • Only Me

    PublicFriendsOnly MeCustomClose FriendsLahore AreaSee all lists...London Areaunivesity of education lahoreKips College-Johar Town LahorePakistanFamilyAcquaintancesGo Back

• Control Your Default Privacy

  This setting will apply to status updates and photos you post to your timeline from a Facebook app that

   2nd step>  on the bottom > click How you connect settings 

  
  

  • How You Connect

    Control how you connect with people you know.

    Edit Settings

  • 
    

    Timeline and Tagging

    Control what happens when friends tag you or your content, or post on your timeline.

    Edit Settings

  • 
    

    Ads, Apps and Websites

    Manage your settings for ads, apps, games and websites.

    Edit Settings

  • 
    

    Limit the Audience for Past Posts

    Limit the audience for posts you shared with friends of friends or Public

    Manage Past Post Visibility

  • 
    

    Manage the people and apps you've blocked.

    Manage Blocking
  
  
  
  
    
  3rd step:  >click edit settings of   >>public search
  
  

  Choose Your Privacy SettingsApps, Games and Websites

  Back to Privacy

On Facebook, your name, profile picture, gender, networks, username and user id (account number) are always publicly available, including to apps (Learn Why). Also, by default, apps have access to your friends list and any information you choose to make public.

Edit your settings to control whether you use our Platform, including whether we store information about you when you use apps you use off Facebook. If you do not wish to turn off Platform, you can also individually remove unwanted applications.

• 
  

  
  
• How people bring your info to apps they use

  People who can see your info can bring it with them when they use apps. Use this setting to control the categories of information people can bring with them.

  Edit Settings
• Instant personalization

  Lets you see relevant information about your friends the moment you arrive on select partner websites.

  Edit Settings
• Public search

  Show a preview of your Facebook timeline when people look for you using a search engine.

  Edit Settings

 Choose Your Privacy SettingsPublic Search

Back to Apps

Public search

Public search controls whether people who enter your name in a search engine will see a preview of your Facebook timeline. Because some search engines cache information, some of your timeline information may be available for a period of time after you turn public search off. See preview Enable public search that it enable public search