O&O Defrag 15.8 Professional Edition Free License

File fragmentation is one of the key reasons behind system slowdown. O&O Defrag is a powerful tool to defragment files and optimize computer performance. It features an easy to follow interface that lists all key actions on the top. It can be set to run automatically when the computer is idle or scheduled to run once or on a regular time interval. The program adds an option to defrag in the Windows context menu. This option can be used to defrag single folders and files.

Key Features:

  • World-exclusive Defrag Screensaver included
  • Blazing system starts
  • Up to 100% more speed
  • Complete automation with O&O OneButtonDefrag
  • Special support for notebooks
  • Screensaver mode
  • Automatic background defragmentation
  • Support for removable drives
  • Easy to use even without previous experience
  • Five different Defrag methods

The latest version 16 of O&O Defrag is priced at $29. The following promotion will provide with a full version license which is valid for the older 15.8 version of O&O Defrag. To grab your free copy, follow these steps:

  • Access this registration page (German)
  • Enter your email address and click on the “Kostenlose Lizenz anfordern” button.
  • You will instantly receive an email from register@oo-software.com with your free license key. (The download links provided in the email is of the German edition of O&O Defrag 15.8)
  • Download the English edition of O&O Defrag 15.8 using the following links:


8 Responses to O&O Defrag 15.8 Professional Edition Free License

  1. Purshotham March 2, 2013 at 9:58 pm #

    Thanks bro I was really waiting for this software, thank u very much.

  2. keith price March 2, 2013 at 10:19 pm #

    the serial key wont work

  3. mrigloo March 3, 2013 at 10:56 am #

    It workes flawless! Thank’s for the share.

    Keith…I would suggest you check your email again and copy/paste the supplied Name and Firma as otherwise the serial wont work. Good luck!

  4. keith March 4, 2013 at 11:19 am #

    it would not let me copy and paste
    so I did it manualy..it would not work..said it was an invalid key

  5. Arthur March 4, 2013 at 4:51 pm #

    Make sure you enter all the fields Name, Firma (Company) and Seriennummer exactly as provided in the email.

  6. keith March 4, 2013 at 8:03 pm #

    got it! thanks for your help everybody!

  7. влад March 7, 2013 at 10:32 pm #

    PCSuite Defrag PRO Бесплатный Регистрационный Ключ

  8. влад March 7, 2013 at 10:33 pm #

    Thanks bro I was really waiting for this software, thank u very much