Hi, everyone! Make sure that the "Unknown sources" setting is check on!

Option 1: Patcher

1. Download the files: Here --> [ Register or Signin to view external links. ]
2. Install Titanium Backup (DON'T OPEN THE APP)
3. Install the Patcher
4. Open the Patcher and run it
5. When done, open Titanium Backup
6. It should appear at the top left corner Titanium Backup Pro, Enjoy
* This Patcher doesn't work with the new Titatium Backup


Option 2:
1. Install Titanium Backup from the market
2. Download and Install this Pro Key --> [ Register or Signin to view external links. ]
3. That's all ! Enjoy !


Option 3:
1. Paid for the app!