Smart Defrag is a free tool that provides extremely fast and efficient defragmentation to your hard drives intelligently for faster file loading and high 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 top speed. Using IObit's latest defrag engine and the new "Boot Time Defrag" technology, Smart Defrag has not only the world's fastest defragmenting speed but also the most advanced defragmenting ability. It's been specially designed for modern, large hard drives, which eliminates the long waiting time.
What's new in Smart Defrag v3.2:
+ Added support for multi-account.
+ Added support for Win 8.1 Update.
+ Enhanced defragmentation for Metro Apps.
+ Enhanced defragmentation for XP FAT32 system files and accelerated file access effectively.
+ Enhanced stability of defragmentation and reduced system resource consumption further when defrag .
+ Fixed bugs.
Download link IObit Smart Defrag 188.8.131.522