Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag helps defragment your hard drive most efficiently. Smart Defrag not only defragments computer deeply but optimizes disk performance. With "Install it and forget it" feature, Smart Defrag works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest. Slow down, freeze-ups and crashes will be a thing of the past.
IObit SmartDefrag is a smart tool to maintain your system performance, speed and stability for no cost at all. IObit SmartDefrag helps defragment your hard drive more efficiently than any other product on the market.
What's New in This Release:
+ Added support for Windows 10 Technical Preview.
+ Added support for defragmentation VHD (Virtual Hard Disk of Windows).
+ Further enhanced defragmentation for Metro Apps.
+ Optimized algorithms for faster defrag.
+ Optimized Reports with more details.
+ Fixed bugs.
(Premium Recommended)
2Drive.net:
All above links are interchangable. No password

How to use

• Enter text from picture into captcha field and press Download button
• Download archive with key generator
• Unpack archive and run key generator executable
• Follow instructions (depens on cracked program)