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Get Free O&O Defrag 15 Professional Edition


[UPDATE] The promo is still working on July 16, 2013.[/UPDATE] It is longtime since we have shared any promo from O&O Software. Previously, we shared Defrag, DiskImage, DiskStat, Media Recovery and SafeErase but that’s old story. In recent time, I did not share many from O&O because many freeware are available as alternative. I always try to tell about best if not the best, no matter shareware or freeware. So, here we have one very good disk defragmentation tool for Windows from O&O Software GmbH.

Defragmenting your PC can hugely accelerate the speed you can work on your PC. When you defragment, those files fragmented across the hard disk are logically rearranged so that files can be quickly recognized and processed by the hardware. Performance gains of up to 100% are not uncommon!

Well, I will not take much of your time. Below is the process to Get Free O&O Defrag 15 Professional Edition. It is not latest and just one version old. The latest is v16.

Open the following webpage into your browser and just enter your email address. Then press green button texted Kostenlose Lizenz Anfordern. On the next page, you will be told that the email containing your license info will be arriving shortly.

After one or two minutes, check your email box. An email from O&O Software should be there containing your registration info with download links for both x86 and amd64 machines. The email will be in German. So, remember in email Firma means Firm/Company, Seriennummer means Serial#, etc.

I Downloaded O&O Defrag 15 Professional from official site instead of downloading from email. You should also do the same, I think so.


During registration, remember to use your email address for both as Name and Company. Finally, register it with the license you received into your email.

Note: This is an old article which was first published on March 04, 2013. I just changed the publishing date with updated info.


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Really it was a good tool and that was a really good explanation. But is it possible to select only particular set file formats and perform defragment ntfs action. If so please explain the complete procedure. Thanks…


Perti have you any idea why O&O defrag service keeps failing to start? I have had this problem on many versions of this software. Currently V16 and this morning same problem again, had to manually start again 🙁

Imran K

I am not sure but do you have some software, like firewall, installed which stops autorun services? Did you try to run it as Admin and then adjust settings? It may help. Also contact to O&O helpline.

Update: check this thread http://www.sevenforums.com/software/128976-o-o-defrag.html


Thanks for the reply, I will have a look.

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