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What are the main benefits of O&O Defrag Pro?
Automatic Optimization – Improves drive performance quietly in the background.
SSD Support – Uses TRIM optimization instead of unsafe defragmentation.
Faster Startup – Helps programs and systems load more quickly.
Smart Scheduling – Runs maintenance based on time or fragmentation levels.
Drive Analysis – Shows fragmentation status for clearer storage decisions.
Performance Continuity – Maintains stable storage speed for long-term reliability.
Download: O&O Defrag Pro
| Operating Systems | Windows 11: Home / Pro / Education / Enterprise Windows 10: Home / Pro / Education / Enterprise |
| Processor | Any Intel, AMD, or ARM processor supported by Windows 10 or Windows 11 64-bit. |
| Memory RAM | Requirements met by any device running the supported Windows version. |
| Hard Disk | 63 MB installer size. At least 5% free drive space recommended for best defragmentation results. |
| Display | Standard display compatible with the respective operating system. |
| Special Features | Automatic background defragmentation. O&O VisualDisk for SSD and NVMe write access visualization. O&O StartupManager for managing startup programs, tasks, and services. Boot-Time Optimization for locked system files. Improved O&O IntensiveOptimize. DiskCleaner for removing temporary files and internet cache. Installed program overview with uninstall option. Modern view and classic view. Native ARM support for Windows PCs with ARM CPUs. |
| Note | Requires full administrative rights. Internet connection required for activation and regular license verification. Professional Edition is for a single PC and cannot be used on server operating systems. Current O&O Defrag Professional does not list Windows 7 SP1 or Windows 8.1 support. |