What’s the primary cause of slow/unstable PC performance? It’s disk fragmentation. Smart Defrag helps defragment your hard drives more efficiently than any other product on the market –– free or not. This powerful, award-winning free defragmenter is 100% safe and clean with no adware, spyware, or viruses.

Program Information Category: Tools and Utilities Type: Free Version: 1.50 Size: 1.75MB Works on: Windows Product page: here