• Login Into your [You must be registered and logged in to see this link.] Account
  
• Click on the Accounts on the top right and then select Account Settings
  

[You must be registered and logged in to see this link.]

• At the bottom of page click on Learn more in front of Download Your Information
  
• Now Click on the Download button
  

[You must be registered and logged in to see this link.]

• Facebook will take some time to collect all your data.They will send you an email (to email id associated with account) after collection of data.
  

[You must be registered and logged in to see this link.]

• Click on the link provided in email and then verify your account by entering your facebook password.
  

After your download is complete you can browse your whole facebook profile by clicking on index.html file included in the backup.