Download O&O Defrag 25.6 Professional Free License Giveaway 2023 For Windows. Get a free O&O Defrag 25.6 Professional license. With it, you can speed up your computer by defragmenting hard drives, as well as optimizing the performance of SSDs and extending their lifespan.
Download O&O Defrag 25.6 Professional Free License Giveaway 2023
O&O Defrag not only effectively defragments hard drives, but also allows SSDs to last longer with a completely new drive optimization method, SOLID.

SSDs have many advantages: they are fast, compact, and powerful. Their lifespan is determined by the number of reads and writes. Fragmented data access shortens this lifespan. Wear is one of the main concerns when using SSDs. O&O Software’s new SOLID optimization method is by far the most resource-intensive and hardware-compatible defragmentation method. It significantly extends the lifespan of the SSD.

New in O&O Defrag 25.6
Implemented a new SOLID / COMPLETE optimization method for SSD drives
SSDs have many advantages: they are fast, compact, and reliable. And they are supposedly not fragmented. But that’s not the case, because like any other storage system that wants to store files quickly, files are propagated across memory as they are used. Until now, there have been only rudimentary approaches to restoring the original speed of SSD drives.
The newest version of O&O Defrag 25.6 starts working with the new SOLID / COMPLETE method: scattered file fragments will be reconnected and saved in fewer memory locations. This leads to a reduction in the access time to these memory cells for reading and writing. As a result, the SSD is faster and its expected lifespan is increased by reducing the number of reads and writes.
Along with the new SOLID / COMPLETE method, the existing SOLID / QUICK method has been improved: it is now faster than COMPLETE and is suitable for periodic faster defragmentation. Both methods can extend the lifespan of SSDs, but differ in the duration and degree of protection of the hardware.
Free license O&O Defrag 25.6 Professional
To obtain a free license for O&O Defrag 25.6 Professional, follow these steps:
- Go to the promotion page (in German), enter your email address and press the Enter key on your keyboard.

As a confirmation of your registration, you will receive an email containing a link – follow the link to complete your registration.
After confirmation, registration data (Name / Firma / Lizenzanzahl) will be sent to you.
Important information
- Please note that due to numerous requests for this promotion, it may take some time to create a personal license.
- If you didn’t receive your license by email, please check your spam folder.
Installation
Download the program and install it on your computer, activating the license with the received data. Please note that the program is available with an English interface and only for 64-bit operating systems .
Download O&O Defrag 25.6 Professional
Supported operating systems:
- Windows 11 (64-bit)
- Windows 10 (64-bit)
- Windows 8.1 (64-bit)
- Windows 8 (64-bit)
Activation
After installing the program, register in the menu Info > Register now > Enter your registration code .

Enter the received Seriennummer in the Serial# field and use your email for the Name and Company (Firma) values to activate the license.

Terms of the offer
- You get a lifetime license for version 25.6 only.
- Free software updates are available within versions 25.x.
- The license is provided for 1 computer for home use only.
- You can install / reinstall the program after the end of the promotion. To do this, save the registration data and the installation file.
