It’s very important for us to defrag our hard drive at least once or twice a month to prevent performance deterioration caused by file fragmentation over time. If you’re using your computer everyday, it is recommended to defrag your hard drive more often. A defrag reorganizes the fragmented files sequentially and speeds up data access. You can use the built-in Disk Defragmenter of Windows to defrag your hard drive. Just go to Start –> All Programs –> Accessories –> System Tools –> Disk Defragmenter.
On my previous posts, I have shown you some free defragmenters like Auslogics Disk Defrag Screen Saver that defrags your PC when it’s in idle mode and Smart Defrag, but if you want to use a better and more powerful program, you can try O&O Defrag 11 Professional Edition which you can download for free. Check out this very cool promo!
Software Description:
O&O Defrag 11 Professional Edition packs file fragments quickly and securely back together to optimize your hard disk under Windows. Its functionality ranges from a fully automated defragmentation to an individual professional set up. It can do everything a truly good defragmentation software should be able to do.
The new background monitoring function helps to prevent fragmentation at source. Newly added and modified files are analyzed and defragmented whenever they are not being accessed. O&O Defrag makes sure that your hard disk is constantly performing at its peak.
How to download O&O Defrag 11 Professional Edition for free:
1. Visit this website and complete the form: http://www.oo-software.com/home/en/special/defragspecial/
* Please enter a valid e-mail address to receive your free license key.
2. Download O&O Defrag 11 and choose the installer language and your Windows version (32-bit or 64-bit).
3. Install the program and enter the license key that you received from your e-mail.
Your done! Enjoy!








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.
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LikeNo problem John! Defragmenting really helps speed up our PC. :)
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