Download O&O Defrag 10 Professional With Free License Serial Key
The latest version of O&O Defrag, O&O Defrag 12 Professional Edition is a superior defragmentation software that optimizes your hard disk and efficiently, securely repacks file fragments back together, aiming to unleash your computer’s hidden performance through optimum defragmentation.

Main features of O&O Defrag 12 Professional:
- Zone filing for optimal organization of files
- 3 additional defragmentation methods (8 methods in all)
- Improved performance at eliminating high levels of fragmentation
- Background monitoring to ensure your system is constantly kept at its peak
- Screen Saver Mode optimizes your PC whenever it’s not being used
- O&O OneClickDefrag for fully automatic configuration
- Job Assistant for scheduling defragmentation
- Fully compatible with Windows 7,Vista and XP
O&O Defrag 12 Professional normally costs about $50 for a single computer license. As part of O&O Software promotion, users are entitled to get a free copy of earlier and older version of O&O Defrag 10 Professional Edition. The main different with latest version is that O&O Defrag 10 Pro Edition offers just 5 defragmentation methods (including Stealth and Space methods).
Follow these steps to grab O&O Defrag 10 Professional for free!
- Visit promotion page at http://www.oo-software.com/home/en/special/komputerswiat/.
- Complete the registration form and you will be receiving a free license serial key by email.

- Download O&O Defrag 10 Professional Edition from http://www.oo-software.com/home/en/download/archive/index.php?product=oodefrag10pro.

- After installed, insert your received registration license serial number, name and company name to get a full version of O&O Defrag 10 Professional
O&O Defrag 10 Professional Edition is compatible with both 32-bit and 64-bit versions of Windows Vista and Windows XP.
Update: O&0 Defrag 11 Professional Edition free license key download.
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March 29th, 2010 02:22
How did you get it to work on Win 7 64 bit. it will not on mine.
March 7th, 2010 01:33
Thanks for the guide,
I have successfully installed O&O Defrag Professional onto my computer that runs Windows 7 64bit and it works without any problem.
My computer is much much faster now I was quite surprised must have been that year and half of use that really fragmented my PC.
Cheers for the serial key.
February 15th, 2010 08:27
This works very well. Make sure you enter your e-mail as you Name and Company in the registration… not your name and company.
January 10th, 2010 15:48
great inforamtion , now using O & O clever cache and it is a very good software thanks for the info.
January 7th, 2010 21:02
Try MyDefrag. (at www DOT mydefrag DOT com)
It evolved from JkDefrag
Now it includes scripting capabilities so you can specify the defrag strategy yourself.
It still uses Microsoft’s defrag APIs so stability is not affected.
January 5th, 2010 12:17
[...] Update: O&O Defrag 10 Professional Edition free download [...]
December 30th, 2009 20:05
Worked well but the serial “isn’t valid”
December 30th, 2009 15:04
Nice, but does it work win7 x64?
December 30th, 2009 12:21
Work on Windows 7?
December 30th, 2009 11:19
sorry that i reply
now i have receive serial but it too slow to receive that
December 30th, 2009 09:38
not work no serial recieve
December 30th, 2009 02:19
thanks for this just what i needed
December 30th, 2009 02:09
excellent , just what I needed for my desktop