- Software Name: O&O Defrag Professional for Windows
- Software Version: 26.1.7709
- Architectures: x64
- File Size: 48.8 MB
- Developers: O&O Software
- Windows 10/8/7/Vista/XP
- Hard Disk Space: 400 MB HDD
- Installed Memory: 2 GB of RAM
- Processor: Intel Core 2 Duo or higher
- Minimum Screen Resolution: 800 x 600