The World’s Most Efficient FREE Defragmentation Software What’s the primary cause of slow/unstable PC performance? It’s disk fragmentation. IObit SmartDefrag helps defragment your hard drive more efficiently than any other product on the market –– free or not.

Disk fragmentation is generally main cause of slow and unstable PC performance. IObit SmartDefrag helps defrag your hard drive most efficiently. With "Install it and forget it" feature, IObit SmartDefrag 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 100% free for personal, home and small business. Detected by many strictest tests, IObit SmartDefrag is 100% safe and has no spyware/adware.

Program Information Category: Tools and Utilities Type: Free Version: 4.02 Size: 1.85MB Works on: Windows Product page: here