How to re-download all Apps from Apple AppStore in your iTunes library?

Have you ever been frustrated after a backup/restore process when iTunes library is missing all the Apps you have purchased (free or paid) and downloaded. Here is a simple way to re-download all your Apps into iTunes library.

• First you need to authorize your computer in iTunes, if you haven't already. 
• Store > Authorize Computer
• Note: If you have already reached your 5 computer limit call iTunes Customer support to get your computer authorized on your account.
• Next, check for available downloads 
• Store > Check For Available Downloads

iTunes will then check for what apps you have purchased before, and will give you an option to re-download your purchased apps or it will just show you all Apps and show updates that you need to download which essentially seems to re-download all the Apps with the latest versions available.